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Finding the Fourth Proportional to 75.97, 114 and 32.68

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Solution

The fourth proportional to 75.97, 114 and 32.68 is: 49.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    75.97 : 114 = 32.68 : x
  2. Step 2: Convert to fraction form
    75.97/114 = 32.68/x
  3. Step 3: Cross multiply
    75.97x = 114 × 32.68
  4. Step 4: Simplify right side
    75.97x = 3,725.52
  5. Step 5: Solve for x
    x = 3,725.52/75.97
  6. Step 6: Final answer
    x = 49.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.