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Finding the Fourth Proportional to 171.89, 237.16 and 119.33

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Solution

The fourth proportional to 171.89, 237.16 and 119.33 is: 164.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    171.89 : 237.16 = 119.33 : x
  2. Step 2: Convert to fraction form
    171.89/237.16 = 119.33/x
  3. Step 3: Cross multiply
    171.89x = 237.16 × 119.33
  4. Step 4: Simplify right side
    171.89x = 28,300.30
  5. Step 5: Solve for x
    x = 28,300.30/171.89
  6. Step 6: Final answer
    x = 164.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.