The frequency of the musical note C4 is about 261.63 Hz. What is the frequency of the note a perfect fifth below C4? 130.82 Hz 174.42 Hz 256.63 Hz 392.44 Hz
Since the note in question is a perfect fifth, we can drop the Hz or C4 by 5 to get the answer. 261.63 - 5 = 256.36. Therefore, the frequency of the note is 256.63 Hz.
