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Finding the Fourth Proportional to 116.09, 173.29 and 96.65

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Solution

The fourth proportional to 116.09, 173.29 and 96.65 is: 144.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.09 : 173.29 = 96.65 : x
  2. Step 2: Convert to fraction form
    116.09/173.29 = 96.65/x
  3. Step 3: Cross multiply
    116.09x = 173.29 × 96.65
  4. Step 4: Simplify right side
    116.09x = 16,748.48
  5. Step 5: Solve for x
    x = 16,748.48/116.09
  6. Step 6: Final answer
    x = 144.27

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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.