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Finding the Fourth Proportional to 201.53, 301.92 and 169.23

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Solution

The fourth proportional to 201.53, 301.92 and 169.23 is: 253.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    201.53 : 301.92 = 169.23 : x
  2. Step 2: Convert to fraction form
    201.53/301.92 = 169.23/x
  3. Step 3: Cross multiply
    201.53x = 301.92 × 169.23
  4. Step 4: Simplify right side
    201.53x = 51,095.37
  5. Step 5: Solve for x
    x = 51,095.37/201.53
  6. Step 6: Final answer
    x = 253.54

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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.