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Finding the Fourth Proportional to 166.48, 250.01 and 144.02

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Solution

The fourth proportional to 166.48, 250.01 and 144.02 is: 216.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    166.48 : 250.01 = 144.02 : x
  2. Step 2: Convert to fraction form
    166.48/250.01 = 144.02/x
  3. Step 3: Cross multiply
    166.48x = 250.01 × 144.02
  4. Step 4: Simplify right side
    166.48x = 36,006.44
  5. Step 5: Solve for x
    x = 36,006.44/166.48
  6. Step 6: Final answer
    x = 216.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.