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Finding the Fourth Proportional to 616.08, 923.69 and 225.87

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Solution

The fourth proportional to 616.08, 923.69 and 225.87 is: 338.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    616.08 : 923.69 = 225.87 : x
  2. Step 2: Convert to fraction form
    616.08/923.69 = 225.87/x
  3. Step 3: Cross multiply
    616.08x = 923.69 × 225.87
  4. Step 4: Simplify right side
    616.08x = 208,632.73
  5. Step 5: Solve for x
    x = 208,632.73/616.08
  6. Step 6: Final answer
    x = 338.65

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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.