I find this subject fascinating. I need to remember this. I made a small end table/CD holder a few years ago on the fly, with no real design insight other than eyeballing it. The only critical dimension I used was the height, and I have never been satisfied with the resulting relative dimensions of the various features. For example, I do not like the top overhang or the size of the open shelf to the block of CD holders. It would have been different had used this set of ratios. I'll have to compare the dimensions to see where I went wrong. When I get time, I'll post a photo if anyone is interested.
Golden ratio = Φ = 1 : 1.618
In a pinch if you don't have a gauge, multiply your short dimension by 1.618. Think you can divide your long dimension by 1.618, but double check that as I'm posting this a 4am and my brain is a little out of dimension right now.
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