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Finding the Fourth Proportional to 410.05, 614.96 and 178.82

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Solution

The fourth proportional to 410.05, 614.96 and 178.82 is: 268.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    410.05 : 614.96 = 178.82 : x
  2. Step 2: Convert to fraction form
    410.05/614.96 = 178.82/x
  3. Step 3: Cross multiply
    410.05x = 614.96 × 178.82
  4. Step 4: Simplify right side
    410.05x = 109,967.15
  5. Step 5: Solve for x
    x = 109,967.15/410.05
  6. Step 6: Final answer
    x = 268.18

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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.