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Finding the Fourth Proportional to 244, 337.04 and 156.96

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Solution

The fourth proportional to 244, 337.04 and 156.96 is: 216.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    244 : 337.04 = 156.96 : x
  2. Step 2: Convert to fraction form
    244/337.04 = 156.96/x
  3. Step 3: Cross multiply
    244x = 337.04 × 156.96
  4. Step 4: Simplify right side
    244x = 52,901.80
  5. Step 5: Solve for x
    x = 52,901.80/244
  6. Step 6: Final answer
    x = 216.81

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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.