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Finding the Fourth Proportional to 625.46, 862.80 and 363.38

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Solution

The fourth proportional to 625.46, 862.80 and 363.38 is: 501.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    625.46 : 862.80 = 363.38 : x
  2. Step 2: Convert to fraction form
    625.46/862.80 = 363.38/x
  3. Step 3: Cross multiply
    625.46x = 862.80 × 363.38
  4. Step 4: Simplify right side
    625.46x = 313,524.26
  5. Step 5: Solve for x
    x = 313,524.26/625.46
  6. Step 6: Final answer
    x = 501.27

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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.