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Finding the Fourth Proportional to 606.38, 836.82 and 546.71

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Solution

The fourth proportional to 606.38, 836.82 and 546.71 is: 754.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.38 : 836.82 = 546.71 : x
  2. Step 2: Convert to fraction form
    606.38/836.82 = 546.71/x
  3. Step 3: Cross multiply
    606.38x = 836.82 × 546.71
  4. Step 4: Simplify right side
    606.38x = 457,493.68
  5. Step 5: Solve for x
    x = 457,493.68/606.38
  6. Step 6: Final answer
    x = 754.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.