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Finding the Fourth Proportional to 244.34, 337.22 and 155.87

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Solution

The fourth proportional to 244.34, 337.22 and 155.87 is: 215.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.34 : 337.22 = 155.87 : x
  2. Step 2: Convert to fraction form
    244.34/337.22 = 155.87/x
  3. Step 3: Cross multiply
    244.34x = 337.22 × 155.87
  4. Step 4: Simplify right side
    244.34x = 52,562.48
  5. Step 5: Solve for x
    x = 52,562.48/244.34
  6. Step 6: Final answer
    x = 215.12

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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.