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Finding the Fourth Proportional to 480.34, 721.87 and 237.03

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Solution

The fourth proportional to 480.34, 721.87 and 237.03 is: 356.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    480.34 : 721.87 = 237.03 : x
  2. Step 2: Convert to fraction form
    480.34/721.87 = 237.03/x
  3. Step 3: Cross multiply
    480.34x = 721.87 × 237.03
  4. Step 4: Simplify right side
    480.34x = 171,104.85
  5. Step 5: Solve for x
    x = 171,104.85/480.34
  6. Step 6: Final answer
    x = 356.22

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