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Finding the Fourth Proportional to 116.46, 173.10 and 114.30

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Solution

The fourth proportional to 116.46, 173.10 and 114.30 is: 169.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.46 : 173.10 = 114.30 : x
  2. Step 2: Convert to fraction form
    116.46/173.10 = 114.30/x
  3. Step 3: Cross multiply
    116.46x = 173.10 × 114.30
  4. Step 4: Simplify right side
    116.46x = 19,785.33
  5. Step 5: Solve for x
    x = 19,785.33/116.46
  6. Step 6: Final answer
    x = 169.89

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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.