**Solution**

• The given octal number = (374.26)8

• The binary equivalent = (011 111 100.010 110)2= (011111100.010110)2

• Any 0s on the extreme left of the integer part and extreme right of the fractional part of the equivalent binary number should be omitted. Therefore, (011111100.010110)2= (11111100.01011)2

• The given binary number = (1110100.0100111)2

• (1110100.0100111)2 = (1 110 100.010 011 1)2 = (001 110 100.010 011 100)2 = (164.234)8