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Finding the Fourth Proportional to 363.04, 545.13 and 226.95

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Solution

The fourth proportional to 363.04, 545.13 and 226.95 is: 340.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.04 : 545.13 = 226.95 : x
  2. Step 2: Convert to fraction form
    363.04/545.13 = 226.95/x
  3. Step 3: Cross multiply
    363.04x = 545.13 × 226.95
  4. Step 4: Simplify right side
    363.04x = 123,717.25
  5. Step 5: Solve for x
    x = 123,717.25/363.04
  6. Step 6: Final answer
    x = 340.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.