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Finding the Fourth Proportional to 363.31, 545.16 and 201.08

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Solution

The fourth proportional to 363.31, 545.16 and 201.08 is: 301.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.31 : 545.16 = 201.08 : x
  2. Step 2: Convert to fraction form
    363.31/545.16 = 201.08/x
  3. Step 3: Cross multiply
    363.31x = 545.16 × 201.08
  4. Step 4: Simplify right side
    363.31x = 109,622.89
  5. Step 5: Solve for x
    x = 109,622.89/363.31
  6. Step 6: Final answer
    x = 301.74

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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.