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Finding the Fourth Proportional to 116.52, 175.61 and 92.63

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Solution

The fourth proportional to 116.52, 175.61 and 92.63 is: 139.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.52 : 175.61 = 92.63 : x
  2. Step 2: Convert to fraction form
    116.52/175.61 = 92.63/x
  3. Step 3: Cross multiply
    116.52x = 175.61 × 92.63
  4. Step 4: Simplify right side
    116.52x = 16,265.41
  5. Step 5: Solve for x
    x = 16,265.41/116.52
  6. Step 6: Final answer
    x = 139.59

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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.