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Finding the Fourth Proportional to 244.40, 337.30 and 161.36

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Solution

The fourth proportional to 244.40, 337.30 and 161.36 is: 222.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.40 : 337.30 = 161.36 : x
  2. Step 2: Convert to fraction form
    244.40/337.30 = 161.36/x
  3. Step 3: Cross multiply
    244.40x = 337.30 × 161.36
  4. Step 4: Simplify right side
    244.40x = 54,426.73
  5. Step 5: Solve for x
    x = 54,426.73/244.40
  6. Step 6: Final answer
    x = 222.70

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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.