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Finding the Fourth Proportional to 447.70, 617.10 and 337.12

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Solution

The fourth proportional to 447.70, 617.10 and 337.12 is: 464.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    447.70 : 617.10 = 337.12 : x
  2. Step 2: Convert to fraction form
    447.70/617.10 = 337.12/x
  3. Step 3: Cross multiply
    447.70x = 617.10 × 337.12
  4. Step 4: Simplify right side
    447.70x = 208,036.75
  5. Step 5: Solve for x
    x = 208,036.75/447.70
  6. Step 6: Final answer
    x = 464.68

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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.