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Finding the Fourth Proportional to 625.41, 862.97 and 363.44

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Solution

The fourth proportional to 625.41, 862.97 and 363.44 is: 501.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    625.41 : 862.97 = 363.44 : x
  2. Step 2: Convert to fraction form
    625.41/862.97 = 363.44/x
  3. Step 3: Cross multiply
    625.41x = 862.97 × 363.44
  4. Step 4: Simplify right side
    625.41x = 313,631.68
  5. Step 5: Solve for x
    x = 313,631.68/625.41
  6. Step 6: Final answer
    x = 501.48

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1.5x scale

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.