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Finding the Fourth Proportional to 624.20, 935.18 and 366.92

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Solution

The fourth proportional to 624.20, 935.18 and 366.92 is: 549.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    624.20 : 935.18 = 366.92 : x
  2. Step 2: Convert to fraction form
    624.20/935.18 = 366.92/x
  3. Step 3: Cross multiply
    624.20x = 935.18 × 366.92
  4. Step 4: Simplify right side
    624.20x = 343,136.25
  5. Step 5: Solve for x
    x = 343,136.25/624.20
  6. Step 6: Final answer
    x = 549.72

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