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Finding the Fourth Proportional to 170.92, 236.10 and 162.82

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Solution

The fourth proportional to 170.92, 236.10 and 162.82 is: 224.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    170.92 : 236.10 = 162.82 : x
  2. Step 2: Convert to fraction form
    170.92/236.10 = 162.82/x
  3. Step 3: Cross multiply
    170.92x = 236.10 × 162.82
  4. Step 4: Simplify right side
    170.92x = 38,441.80
  5. Step 5: Solve for x
    x = 38,441.80/170.92
  6. Step 6: Final answer
    x = 224.91

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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.