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Finding the Fourth Proportional to 43.68, 60.28 and 34

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Solution

The fourth proportional to 43.68, 60.28 and 34 is: 46.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    43.68 : 60.28 = 34 : x
  2. Step 2: Convert to fraction form
    43.68/60.28 = 34/x
  3. Step 3: Cross multiply
    43.68x = 60.28 × 34
  4. Step 4: Simplify right side
    43.68x = 2,049.52
  5. Step 5: Solve for x
    x = 2,049.52/43.68
  6. Step 6: Final answer
    x = 46.92

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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.