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Finding the Fourth Proportional to 614.90, 921.75 and 224.79

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Solution

The fourth proportional to 614.90, 921.75 and 224.79 is: 336.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    614.90 : 921.75 = 224.79 : x
  2. Step 2: Convert to fraction form
    614.90/921.75 = 224.79/x
  3. Step 3: Cross multiply
    614.90x = 921.75 × 224.79
  4. Step 4: Simplify right side
    614.90x = 207,200.18
  5. Step 5: Solve for x
    x = 207,200.18/614.90
  6. Step 6: Final answer
    x = 336.97

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