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Finding the Fourth Proportional to 201.03, 276.20 and 169.90

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Solution

The fourth proportional to 201.03, 276.20 and 169.90 is: 233.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    201.03 : 276.20 = 169.90 : x
  2. Step 2: Convert to fraction form
    201.03/276.20 = 169.90/x
  3. Step 3: Cross multiply
    201.03x = 276.20 × 169.90
  4. Step 4: Simplify right side
    201.03x = 46,926.38
  5. Step 5: Solve for x
    x = 46,926.38/201.03
  6. Step 6: Final answer
    x = 233.43

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.