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Finding the Fourth Proportional to 410.01, 614.90 and 178.85

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Solution

The fourth proportional to 410.01, 614.90 and 178.85 is: 268.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    410.01 : 614.90 = 178.85 : x
  2. Step 2: Convert to fraction form
    410.01/614.90 = 178.85/x
  3. Step 3: Cross multiply
    410.01x = 614.90 × 178.85
  4. Step 4: Simplify right side
    410.01x = 109,974.87
  5. Step 5: Solve for x
    x = 109,974.87/410.01
  6. Step 6: Final answer
    x = 268.22

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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.