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Finding the Fourth Proportional to 363.22, 545.13 and 157.94

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Solution

The fourth proportional to 363.22, 545.13 and 157.94 is: 237.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.22 : 545.13 = 157.94 : x
  2. Step 2: Convert to fraction form
    363.22/545.13 = 157.94/x
  3. Step 3: Cross multiply
    363.22x = 545.13 × 157.94
  4. Step 4: Simplify right side
    363.22x = 86,097.83
  5. Step 5: Solve for x
    x = 86,097.83/363.22
  6. Step 6: Final answer
    x = 237.04

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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.