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Finding the Fourth Proportional to 593.22, 819.15 and 445.59

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Solution

The fourth proportional to 593.22, 819.15 and 445.59 is: 615.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.22 : 819.15 = 445.59 : x
  2. Step 2: Convert to fraction form
    593.22/819.15 = 445.59/x
  3. Step 3: Cross multiply
    593.22x = 819.15 × 445.59
  4. Step 4: Simplify right side
    593.22x = 365,005.05
  5. Step 5: Solve for x
    x = 365,005.05/593.22
  6. Step 6: Final answer
    x = 615.29

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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.