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Finding the Fourth Proportional to 75.83, 104.67 and 60.44

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Solution

The fourth proportional to 75.83, 104.67 and 60.44 is: 83.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    75.83 : 104.67 = 60.44 : x
  2. Step 2: Convert to fraction form
    75.83/104.67 = 60.44/x
  3. Step 3: Cross multiply
    75.83x = 104.67 × 60.44
  4. Step 4: Simplify right side
    75.83x = 6,325.73
  5. Step 5: Solve for x
    x = 6,325.73/75.83
  6. Step 6: Final answer
    x = 83.43

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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.