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Finding the Fourth Proportional to 546.18, 818.60 and 314.61

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Solution

The fourth proportional to 546.18, 818.60 and 314.61 is: 471.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    546.18 : 818.60 = 314.61 : x
  2. Step 2: Convert to fraction form
    546.18/818.60 = 314.61/x
  3. Step 3: Cross multiply
    546.18x = 818.60 × 314.61
  4. Step 4: Simplify right side
    546.18x = 257,538.17
  5. Step 5: Solve for x
    x = 257,538.17/546.18
  6. Step 6: Final answer
    x = 471.53

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