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Finding the Fourth Proportional to 363.52, 545.37 and 158.04

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Solution

The fourth proportional to 363.52, 545.37 and 158.04 is: 237.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.52 : 545.37 = 158.04 : x
  2. Step 2: Convert to fraction form
    363.52/545.37 = 158.04/x
  3. Step 3: Cross multiply
    363.52x = 545.37 × 158.04
  4. Step 4: Simplify right side
    363.52x = 86,187.55
  5. Step 5: Solve for x
    x = 86,187.55/363.52
  6. Step 6: Final answer
    x = 237.09

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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.