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Finding the Fourth Proportional to 244.28, 367.87 and 220.19

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Solution

The fourth proportional to 244.28, 367.87 and 220.19 is: 331.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.28 : 367.87 = 220.19 : x
  2. Step 2: Convert to fraction form
    244.28/367.87 = 220.19/x
  3. Step 3: Cross multiply
    244.28x = 367.87 × 220.19
  4. Step 4: Simplify right side
    244.28x = 81,001.30
  5. Step 5: Solve for x
    x = 81,001.30/244.28
  6. Step 6: Final answer
    x = 331.59

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.