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Finding the Fourth Proportional to 244.58, 337.67 and 156.11

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Solution

The fourth proportional to 244.58, 337.67 and 156.11 is: 215.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.58 : 337.67 = 156.11 : x
  2. Step 2: Convert to fraction form
    244.58/337.67 = 156.11/x
  3. Step 3: Cross multiply
    244.58x = 337.67 × 156.11
  4. Step 4: Simplify right side
    244.58x = 52,712.88
  5. Step 5: Solve for x
    x = 52,712.88/244.58
  6. Step 6: Final answer
    x = 215.52

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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.