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Finding the Fourth Proportional to 232.50, 320.52 and 170.16

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Solution

The fourth proportional to 232.50, 320.52 and 170.16 is: 234.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.50 : 320.52 = 170.16 : x
  2. Step 2: Convert to fraction form
    232.50/320.52 = 170.16/x
  3. Step 3: Cross multiply
    232.50x = 320.52 × 170.16
  4. Step 4: Simplify right side
    232.50x = 54,539.68
  5. Step 5: Solve for x
    x = 54,539.68/232.50
  6. Step 6: Final answer
    x = 234.58

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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.