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Finding the Fourth Proportional to 481.29, 720.51 and 366.20

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Solution

The fourth proportional to 481.29, 720.51 and 366.20 is: 548.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    481.29 : 720.51 = 366.20 : x
  2. Step 2: Convert to fraction form
    481.29/720.51 = 366.20/x
  3. Step 3: Cross multiply
    481.29x = 720.51 × 366.20
  4. Step 4: Simplify right side
    481.29x = 263,850.55
  5. Step 5: Solve for x
    x = 263,850.55/481.29
  6. Step 6: Final answer
    x = 548.22

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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.