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Finding the Fourth Proportional to 169.33, 253.23 and 125.71

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Solution

The fourth proportional to 169.33, 253.23 and 125.71 is: 188.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    169.33 : 253.23 = 125.71 : x
  2. Step 2: Convert to fraction form
    169.33/253.23 = 125.71/x
  3. Step 3: Cross multiply
    169.33x = 253.23 × 125.71
  4. Step 4: Simplify right side
    169.33x = 31,833.54
  5. Step 5: Solve for x
    x = 31,833.54/169.33
  6. Step 6: Final answer
    x = 188.00

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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.