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Finding the Fourth Proportional to 625.15, 932.03 and 609.18

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Solution

The fourth proportional to 625.15, 932.03 and 609.18 is: 908.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    625.15 : 932.03 = 609.18 : x
  2. Step 2: Convert to fraction form
    625.15/932.03 = 609.18/x
  3. Step 3: Cross multiply
    625.15x = 932.03 × 609.18
  4. Step 4: Simplify right side
    625.15x = 567,768.75
  5. Step 5: Solve for x
    x = 567,768.75/625.15
  6. Step 6: Final answer
    x = 908.21

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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.