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Finding the Fourth Proportional to 337.02, 503.07 and 315.66

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Solution

The fourth proportional to 337.02, 503.07 and 315.66 is: 471.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.02 : 503.07 = 315.66 : x
  2. Step 2: Convert to fraction form
    337.02/503.07 = 315.66/x
  3. Step 3: Cross multiply
    337.02x = 503.07 × 315.66
  4. Step 4: Simplify right side
    337.02x = 158,799.08
  5. Step 5: Solve for x
    x = 158,799.08/337.02
  6. Step 6: Final answer
    x = 471.19

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.