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Finding the Fourth Proportional to 614.25, 921.38 and 158.25

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Solution

The fourth proportional to 614.25, 921.38 and 158.25 is: 237.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    614.25 : 921.38 = 158.25 : x
  2. Step 2: Convert to fraction form
    614.25/921.38 = 158.25/x
  3. Step 3: Cross multiply
    614.25x = 921.38 × 158.25
  4. Step 4: Simplify right side
    614.25x = 145,807.59
  5. Step 5: Solve for x
    x = 145,807.59/614.25
  6. Step 6: Final answer
    x = 237.38

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