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Finding the Fourth Proportional to 373.19, 517.64 and 363.20

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Solution

The fourth proportional to 373.19, 517.64 and 363.20 is: 503.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.19 : 517.64 = 363.20 : x
  2. Step 2: Convert to fraction form
    373.19/517.64 = 363.20/x
  3. Step 3: Cross multiply
    373.19x = 517.64 × 363.20
  4. Step 4: Simplify right side
    373.19x = 188,002.44
  5. Step 5: Solve for x
    x = 188,002.44/373.19
  6. Step 6: Final answer
    x = 503.78

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.