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Finding the Fourth Proportional to 96.44, 133.19 and 73.08

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Solution

The fourth proportional to 96.44, 133.19 and 73.08 is: 100.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.44 : 133.19 = 73.08 : x
  2. Step 2: Convert to fraction form
    96.44/133.19 = 73.08/x
  3. Step 3: Cross multiply
    96.44x = 133.19 × 73.08
  4. Step 4: Simplify right side
    96.44x = 9,733.16
  5. Step 5: Solve for x
    x = 9,733.16/96.44
  6. Step 6: Final answer
    x = 100.93

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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.