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Finding the Fourth Proportional to 170.56, 233.75 and 168.04

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Solution

The fourth proportional to 170.56, 233.75 and 168.04 is: 230.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    170.56 : 233.75 = 168.04 : x
  2. Step 2: Convert to fraction form
    170.56/233.75 = 168.04/x
  3. Step 3: Cross multiply
    170.56x = 233.75 × 168.04
  4. Step 4: Simplify right side
    170.56x = 39,279.35
  5. Step 5: Solve for x
    x = 39,279.35/170.56
  6. Step 6: Final answer
    x = 230.30

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.