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Finding the Fourth Proportional to 96.33, 143.41 and 95.88

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Solution

The fourth proportional to 96.33, 143.41 and 95.88 is: 142.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.33 : 143.41 = 95.88 : x
  2. Step 2: Convert to fraction form
    96.33/143.41 = 95.88/x
  3. Step 3: Cross multiply
    96.33x = 143.41 × 95.88
  4. Step 4: Simplify right side
    96.33x = 13,750.15
  5. Step 5: Solve for x
    x = 13,750.15/96.33
  6. Step 6: Final answer
    x = 142.74

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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.