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Finding the Fourth Proportional to 617.32, 851.88 and 337.56

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Solution

The fourth proportional to 617.32, 851.88 and 337.56 is: 465.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    617.32 : 851.88 = 337.56 : x
  2. Step 2: Convert to fraction form
    617.32/851.88 = 337.56/x
  3. Step 3: Cross multiply
    617.32x = 851.88 × 337.56
  4. Step 4: Simplify right side
    617.32x = 287,560.61
  5. Step 5: Solve for x
    x = 287,560.61/617.32
  6. Step 6: Final answer
    x = 465.82

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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.