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Finding the Fourth Proportional to 363.33, 499.53 and 323.61

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Solution

The fourth proportional to 363.33, 499.53 and 323.61 is: 444.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.33 : 499.53 = 323.61 : x
  2. Step 2: Convert to fraction form
    363.33/499.53 = 323.61/x
  3. Step 3: Cross multiply
    363.33x = 499.53 × 323.61
  4. Step 4: Simplify right side
    363.33x = 161,652.90
  5. Step 5: Solve for x
    x = 161,652.90/363.33
  6. Step 6: Final answer
    x = 444.92

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.