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Finding the Fourth Proportional to 96.44, 132.73 and 73.08

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Solution

The fourth proportional to 96.44, 132.73 and 73.08 is: 100.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.44 : 132.73 = 73.08 : x
  2. Step 2: Convert to fraction form
    96.44/132.73 = 73.08/x
  3. Step 3: Cross multiply
    96.44x = 132.73 × 73.08
  4. Step 4: Simplify right side
    96.44x = 9,699.73
  5. Step 5: Solve for x
    x = 9,699.73/96.44
  6. Step 6: Final answer
    x = 100.58

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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.