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Finding the Fourth Proportional to 481.53, 722.40 and 173.41

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Solution

The fourth proportional to 481.53, 722.40 and 173.41 is: 260.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    481.53 : 722.40 = 173.41 : x
  2. Step 2: Convert to fraction form
    481.53/722.40 = 173.41/x
  3. Step 3: Cross multiply
    481.53x = 722.40 × 173.41
  4. Step 4: Simplify right side
    481.53x = 125,271.38
  5. Step 5: Solve for x
    x = 125,271.38/481.53
  6. Step 6: Final answer
    x = 260.15

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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.