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Finding the Fourth Proportional to 171, 237.55 and 169.33

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Solution

The fourth proportional to 171, 237.55 and 169.33 is: 235.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    171 : 237.55 = 169.33 : x
  2. Step 2: Convert to fraction form
    171/237.55 = 169.33/x
  3. Step 3: Cross multiply
    171x = 237.55 × 169.33
  4. Step 4: Simplify right side
    171x = 40,224.34
  5. Step 5: Solve for x
    x = 40,224.34/171
  6. Step 6: Final answer
    x = 235.23

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.