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Finding the Fourth Proportional to 244.40, 337.02 and 230.72

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Solution

The fourth proportional to 244.40, 337.02 and 230.72 is: 318.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.40 : 337.02 = 230.72 : x
  2. Step 2: Convert to fraction form
    244.40/337.02 = 230.72/x
  3. Step 3: Cross multiply
    244.40x = 337.02 × 230.72
  4. Step 4: Simplify right side
    244.40x = 77,757.25
  5. Step 5: Solve for x
    x = 77,757.25/244.40
  6. Step 6: Final answer
    x = 318.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.