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Finding the Fourth Proportional to 480.89, 721.59 and 237.41

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Solution

The fourth proportional to 480.89, 721.59 and 237.41 is: 356.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    480.89 : 721.59 = 237.41 : x
  2. Step 2: Convert to fraction form
    480.89/721.59 = 237.41/x
  3. Step 3: Cross multiply
    480.89x = 721.59 × 237.41
  4. Step 4: Simplify right side
    480.89x = 171,309.07
  5. Step 5: Solve for x
    x = 171,309.07/480.89
  6. Step 6: Final answer
    x = 356.24

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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.