Which of the following should be added to each of the four numbers 4, 8, 12, 22, to make them proportional?
\( \frac{4}{3} \)
\( \frac{3}{4} \)
\( \frac{8}{3} \)
\( \frac{2}{6} \)
The density of an object of mass 300 kg and volume 150 m3 will be _______.
Find the value of \( \sin^{4}\frac{\pi}{4} + 4\sin^{4}\frac{\pi}{4}\sin^{4}\frac{\pi}{3} + \sin^{4}\frac{\pi}{6} \)
\( \frac{7}{8} \)
\( \frac{-7}{2} \)
\( \frac{5}{8} \)
\( \frac{3}{2} \)