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Finding the Fourth Proportional to 482.82, 718.46 and 481.20

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Solution

The fourth proportional to 482.82, 718.46 and 481.20 is: 716.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    482.82 : 718.46 = 481.20 : x
  2. Step 2: Convert to fraction form
    482.82/718.46 = 481.20/x
  3. Step 3: Cross multiply
    482.82x = 718.46 × 481.20
  4. Step 4: Simplify right side
    482.82x = 345,720.55
  5. Step 5: Solve for x
    x = 345,720.55/482.82
  6. Step 6: Final answer
    x = 716.04

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.