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Finding the Fourth Proportional to 593.69, 819.29 and 397.67

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Solution

The fourth proportional to 593.69, 819.29 and 397.67 is: 548.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.69 : 819.29 = 397.67 : x
  2. Step 2: Convert to fraction form
    593.69/819.29 = 397.67/x
  3. Step 3: Cross multiply
    593.69x = 819.29 × 397.67
  4. Step 4: Simplify right side
    593.69x = 325,805.01
  5. Step 5: Solve for x
    x = 325,805.01/593.69
  6. Step 6: Final answer
    x = 548.78

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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.