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Finding the Fourth Proportional to 481.25, 721.13 and 234.19

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Solution

The fourth proportional to 481.25, 721.13 and 234.19 is: 350.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    481.25 : 721.13 = 234.19 : x
  2. Step 2: Convert to fraction form
    481.25/721.13 = 234.19/x
  3. Step 3: Cross multiply
    481.25x = 721.13 × 234.19
  4. Step 4: Simplify right side
    481.25x = 168,877.83
  5. Step 5: Solve for x
    x = 168,877.83/481.25
  6. Step 6: Final answer
    x = 350.91

Related Problems

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Double scale
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Similar ratio
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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.