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Finding the Fourth Proportional to 637.13, 880.62 and 587.92

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Solution

The fourth proportional to 637.13, 880.62 and 587.92 is: 812.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    637.13 : 880.62 = 587.92 : x
  2. Step 2: Convert to fraction form
    637.13/880.62 = 587.92/x
  3. Step 3: Cross multiply
    637.13x = 880.62 × 587.92
  4. Step 4: Simplify right side
    637.13x = 517,734.11
  5. Step 5: Solve for x
    x = 517,734.11/637.13
  6. Step 6: Final answer
    x = 812.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.