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Finding the Fourth Proportional to 562.15, 775.87 and 363.23

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Solution

The fourth proportional to 562.15, 775.87 and 363.23 is: 501.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.15 : 775.87 = 363.23 : x
  2. Step 2: Convert to fraction form
    562.15/775.87 = 363.23/x
  3. Step 3: Cross multiply
    562.15x = 775.87 × 363.23
  4. Step 4: Simplify right side
    562.15x = 281,819.26
  5. Step 5: Solve for x
    x = 281,819.26/562.15
  6. Step 6: Final answer
    x = 501.32

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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.