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Finding the Fourth Proportional to 116.41, 175.40 and 96.57

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Solution

The fourth proportional to 116.41, 175.40 and 96.57 is: 145.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.41 : 175.40 = 96.57 : x
  2. Step 2: Convert to fraction form
    116.41/175.40 = 96.57/x
  3. Step 3: Cross multiply
    116.41x = 175.40 × 96.57
  4. Step 4: Simplify right side
    116.41x = 16,938.38
  5. Step 5: Solve for x
    x = 16,938.38/116.41
  6. Step 6: Final answer
    x = 145.51

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.