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Finding the Fourth Proportional to 244.39, 337.22 and 139.46

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Solution

The fourth proportional to 244.39, 337.22 and 139.46 is: 192.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.39 : 337.22 = 139.46 : x
  2. Step 2: Convert to fraction form
    244.39/337.22 = 139.46/x
  3. Step 3: Cross multiply
    244.39x = 337.22 × 139.46
  4. Step 4: Simplify right side
    244.39x = 47,027.02
  5. Step 5: Solve for x
    x = 47,027.02/244.39
  6. Step 6: Final answer
    x = 192.43

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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.