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Finding the Fourth Proportional to 616.20, 924.02 and 225.93

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Solution

The fourth proportional to 616.20, 924.02 and 225.93 is: 338.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    616.20 : 924.02 = 225.93 : x
  2. Step 2: Convert to fraction form
    616.20/924.02 = 225.93/x
  3. Step 3: Cross multiply
    616.20x = 924.02 × 225.93
  4. Step 4: Simplify right side
    616.20x = 208,767.02
  5. Step 5: Solve for x
    x = 208,767.02/616.20
  6. Step 6: Final answer
    x = 338.80

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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.