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Finding the Fourth Proportional to 593.03, 817.08 and 396.20

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Solution

The fourth proportional to 593.03, 817.08 and 396.20 is: 545.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.03 : 817.08 = 396.20 : x
  2. Step 2: Convert to fraction form
    593.03/817.08 = 396.20/x
  3. Step 3: Cross multiply
    593.03x = 817.08 × 396.20
  4. Step 4: Simplify right side
    593.03x = 323,723.01
  5. Step 5: Solve for x
    x = 323,723.01/593.03
  6. Step 6: Final answer
    x = 545.88

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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.