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Finding the Fourth Proportional to 625.54, 863.17 and 363.50

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Solution

The fourth proportional to 625.54, 863.17 and 363.50 is: 501.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    625.54 : 863.17 = 363.50 : x
  2. Step 2: Convert to fraction form
    625.54/863.17 = 363.50/x
  3. Step 3: Cross multiply
    625.54x = 863.17 × 363.50
  4. Step 4: Simplify right side
    625.54x = 313,763.54
  5. Step 5: Solve for x
    x = 313,763.54/625.54
  6. Step 6: Final answer
    x = 501.59

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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.