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Finding the Fourth Proportional to 166.28, 250.65 and 162.60

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Solution

The fourth proportional to 166.28, 250.65 and 162.60 is: 245.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    166.28 : 250.65 = 162.60 : x
  2. Step 2: Convert to fraction form
    166.28/250.65 = 162.60/x
  3. Step 3: Cross multiply
    166.28x = 250.65 × 162.60
  4. Step 4: Simplify right side
    166.28x = 40,755.69
  5. Step 5: Solve for x
    x = 40,755.69/166.28
  6. Step 6: Final answer
    x = 245.10

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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.