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Finding the Fourth Proportional to 166.16, 250.41 and 136.10

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Solution

The fourth proportional to 166.16, 250.41 and 136.10 is: 205.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    166.16 : 250.41 = 136.10 : x
  2. Step 2: Convert to fraction form
    166.16/250.41 = 136.10/x
  3. Step 3: Cross multiply
    166.16x = 250.41 × 136.10
  4. Step 4: Simplify right side
    166.16x = 34,079.55
  5. Step 5: Solve for x
    x = 34,079.55/166.16
  6. Step 6: Final answer
    x = 205.11

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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.