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Finding the Fourth Proportional to 637.34, 956.34 and 551.23

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Solution

The fourth proportional to 637.34, 956.34 and 551.23 is: 827.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    637.34 : 956.34 = 551.23 : x
  2. Step 2: Convert to fraction form
    637.34/956.34 = 551.23/x
  3. Step 3: Cross multiply
    637.34x = 956.34 × 551.23
  4. Step 4: Simplify right side
    637.34x = 527,160.91
  5. Step 5: Solve for x
    x = 527,160.91/637.34
  6. Step 6: Final answer
    x = 827.13

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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.