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Finding the Fourth Proportional to 616.11, 923.91 and 226.05

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Solution

The fourth proportional to 616.11, 923.91 and 226.05 is: 338.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    616.11 : 923.91 = 226.05 : x
  2. Step 2: Convert to fraction form
    616.11/923.91 = 226.05/x
  3. Step 3: Cross multiply
    616.11x = 923.91 × 226.05
  4. Step 4: Simplify right side
    616.11x = 208,849.86
  5. Step 5: Solve for x
    x = 208,849.86/616.11
  6. Step 6: Final answer
    x = 338.98

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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.