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Finding the Fourth Proportional to 337.25, 506.18 and 319.03

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Solution

The fourth proportional to 337.25, 506.18 and 319.03 is: 478.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.25 : 506.18 = 319.03 : x
  2. Step 2: Convert to fraction form
    337.25/506.18 = 319.03/x
  3. Step 3: Cross multiply
    337.25x = 506.18 × 319.03
  4. Step 4: Simplify right side
    337.25x = 161,486.14
  5. Step 5: Solve for x
    x = 161,486.14/337.25
  6. Step 6: Final answer
    x = 478.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.