The best proportions are found by trial in all cases.
The volume of the high-pressure cylinder may be varied within wide limits for the same low-pressure volume; the proportions adopted should, however, be such that there is an absence of excessive drop between them as the steam is transferred from one to the other.
The trade of France was divided between foreign countries and her colonies in the following proportions (imports and exports combined).
In Der Ring des Nibelungen Wagner specifies the proportions of the string-band as 16 first and 16 second violins, 12 violas, 12 violoncellos, 8 double basses.
Products are usually divided in equal proportions between the owner and the tiller.