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Finding the Fourth Proportional to 113.33, 170.03 and 32.18

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Solution

The fourth proportional to 113.33, 170.03 and 32.18 is: 48.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    113.33 : 170.03 = 32.18 : x
  2. Step 2: Convert to fraction form
    113.33/170.03 = 32.18/x
  3. Step 3: Cross multiply
    113.33x = 170.03 × 32.18
  4. Step 4: Simplify right side
    113.33x = 5,470.55
  5. Step 5: Solve for x
    x = 5,470.55/113.33
  6. Step 6: Final answer
    x = 48.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.