(i) Given 33, 44, 66, 88
Product of extremes=33×88=2904
Product of means=44×66=2904
Therefore product of extremes = product of means
Hence, given numbers are in proportion.
(ii) Given 46, 69, 69, 46
Product of extremes=46×46=2116
Product of means=69×69=4761
Therefore product of extremes is not equal to product of means
Hence, given numbers are not in proportion.