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Finding the Fourth Proportional to 59.42, 88.82 and 50.87

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Solution

The fourth proportional to 59.42, 88.82 and 50.87 is: 76.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.42 : 88.82 = 50.87 : x
  2. Step 2: Convert to fraction form
    59.42/88.82 = 50.87/x
  3. Step 3: Cross multiply
    59.42x = 88.82 × 50.87
  4. Step 4: Simplify right side
    59.42x = 4,517.57
  5. Step 5: Solve for x
    x = 4,517.57/59.42
  6. Step 6: Final answer
    x = 76.03

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.