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Finding the Fourth Proportional to 337.79, 506.68 and 269.44

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Solution

The fourth proportional to 337.79, 506.68 and 269.44 is: 404.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.79 : 506.68 = 269.44 : x
  2. Step 2: Convert to fraction form
    337.79/506.68 = 269.44/x
  3. Step 3: Cross multiply
    337.79x = 506.68 × 269.44
  4. Step 4: Simplify right side
    337.79x = 136,518.51
  5. Step 5: Solve for x
    x = 136,518.51/337.79
  6. Step 6: Final answer
    x = 404.16

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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.