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Finding the Fourth Proportional to 625.18, 936.47 and 296.39

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Solution

The fourth proportional to 625.18, 936.47 and 296.39 is: 443.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    625.18 : 936.47 = 296.39 : x
  2. Step 2: Convert to fraction form
    625.18/936.47 = 296.39/x
  3. Step 3: Cross multiply
    625.18x = 936.47 × 296.39
  4. Step 4: Simplify right side
    625.18x = 277,558.86
  5. Step 5: Solve for x
    x = 277,558.86/625.18
  6. Step 6: Final answer
    x = 443.97

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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.