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Finding the Fourth Proportional to 637.64, 955.02 and 546.52

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Solution

The fourth proportional to 637.64, 955.02 and 546.52 is: 818.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    637.64 : 955.02 = 546.52 : x
  2. Step 2: Convert to fraction form
    637.64/955.02 = 546.52/x
  3. Step 3: Cross multiply
    637.64x = 955.02 × 546.52
  4. Step 4: Simplify right side
    637.64x = 521,937.53
  5. Step 5: Solve for x
    x = 521,937.53/637.64
  6. Step 6: Final answer
    x = 818.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.