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Finding the Fourth Proportional to 503.31, 754.99 and 178.71

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Solution

The fourth proportional to 503.31, 754.99 and 178.71 is: 268.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    503.31 : 754.99 = 178.71 : x
  2. Step 2: Convert to fraction form
    503.31/754.99 = 178.71/x
  3. Step 3: Cross multiply
    503.31x = 754.99 × 178.71
  4. Step 4: Simplify right side
    503.31x = 134,920.98
  5. Step 5: Solve for x
    x = 134,920.98/503.31
  6. Step 6: Final answer
    x = 268.07

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