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Finding the Fourth Proportional to 171.85, 237.04 and 119.31

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Solution

The fourth proportional to 171.85, 237.04 and 119.31 is: 164.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    171.85 : 237.04 = 119.31 : x
  2. Step 2: Convert to fraction form
    171.85/237.04 = 119.31/x
  3. Step 3: Cross multiply
    171.85x = 237.04 × 119.31
  4. Step 4: Simplify right side
    171.85x = 28,281.24
  5. Step 5: Solve for x
    x = 28,281.24/171.85
  6. Step 6: Final answer
    x = 164.57

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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.