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Finding the Fourth Proportional to 116.59, 160.77 and 94.72

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Solution

The fourth proportional to 116.59, 160.77 and 94.72 is: 130.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.59 : 160.77 = 94.72 : x
  2. Step 2: Convert to fraction form
    116.59/160.77 = 94.72/x
  3. Step 3: Cross multiply
    116.59x = 160.77 × 94.72
  4. Step 4: Simplify right side
    116.59x = 15,228.13
  5. Step 5: Solve for x
    x = 15,228.13/116.59
  6. Step 6: Final answer
    x = 130.61

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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.