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Finding the Fourth Proportional to 625.05, 932.67 and 611.10

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Solution

The fourth proportional to 625.05, 932.67 and 611.10 is: 911.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    625.05 : 932.67 = 611.10 : x
  2. Step 2: Convert to fraction form
    625.05/932.67 = 611.10/x
  3. Step 3: Cross multiply
    625.05x = 932.67 × 611.10
  4. Step 4: Simplify right side
    625.05x = 569,954.64
  5. Step 5: Solve for x
    x = 569,954.64/625.05
  6. Step 6: Final answer
    x = 911.85

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.