Question

find the fourth proportional of 57,76 and 108

Answer 1

57,76,108, x are in proportion

then product of means = product of extremes

57 (x) x= 76 x 108

x= 76 x 108 /57= 144

Answer 2

Let the fourth proportion be x
the required proportion=57:76::108:x
57x=76×108
x=76×108/57
x=144

The fourth proportion=144


Mark me as brainliest if it's help you!!!!