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Finding the Fourth Proportional to 244.19, 366.34 and 141.28

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Solution

The fourth proportional to 244.19, 366.34 and 141.28 is: 211.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.19 : 366.34 = 141.28 : x
  2. Step 2: Convert to fraction form
    244.19/366.34 = 141.28/x
  3. Step 3: Cross multiply
    244.19x = 366.34 × 141.28
  4. Step 4: Simplify right side
    244.19x = 51,757.35
  5. Step 5: Solve for x
    x = 51,757.35/244.19
  6. Step 6: Final answer
    x = 211.96

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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.