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Finding the Fourth Proportional to 447.53, 616.01 and 336.96

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Solution

The fourth proportional to 447.53, 616.01 and 336.96 is: 463.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    447.53 : 616.01 = 336.96 : x
  2. Step 2: Convert to fraction form
    447.53/616.01 = 336.96/x
  3. Step 3: Cross multiply
    447.53x = 616.01 × 336.96
  4. Step 4: Simplify right side
    447.53x = 207,569.04
  5. Step 5: Solve for x
    x = 207,569.04/447.53
  6. Step 6: Final answer
    x = 463.82

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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.