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Finding the Fourth Proportional to 637.13, 956.05 and 344.63

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Solution

The fourth proportional to 637.13, 956.05 and 344.63 is: 517.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    637.13 : 956.05 = 344.63 : x
  2. Step 2: Convert to fraction form
    637.13/956.05 = 344.63/x
  3. Step 3: Cross multiply
    637.13x = 956.05 × 344.63
  4. Step 4: Simplify right side
    637.13x = 329,477.87
  5. Step 5: Solve for x
    x = 329,477.87/637.13
  6. Step 6: Final answer
    x = 517.13

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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.