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Finding the Fourth Proportional to 244.06, 337.03 and 156.88

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Solution

The fourth proportional to 244.06, 337.03 and 156.88 is: 216.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.06 : 337.03 = 156.88 : x
  2. Step 2: Convert to fraction form
    244.06/337.03 = 156.88/x
  3. Step 3: Cross multiply
    244.06x = 337.03 × 156.88
  4. Step 4: Simplify right side
    244.06x = 52,872.48
  5. Step 5: Solve for x
    x = 52,872.48/244.06
  6. Step 6: Final answer
    x = 216.64

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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.