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Finding the Fourth Proportional to 116.32, 160.38 and 95.59

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Solution

The fourth proportional to 116.32, 160.38 and 95.59 is: 131.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.32 : 160.38 = 95.59 : x
  2. Step 2: Convert to fraction form
    116.32/160.38 = 95.59/x
  3. Step 3: Cross multiply
    116.32x = 160.38 × 95.59
  4. Step 4: Simplify right side
    116.32x = 15,330.72
  5. Step 5: Solve for x
    x = 15,330.72/116.32
  6. Step 6: Final answer
    x = 131.80

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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.