Home / 627.02-865.24-351.02

Finding the Fourth Proportional to 627.02, 865.24 and 351.02

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Solution

The fourth proportional to 627.02, 865.24 and 351.02 is: 484.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    627.02 : 865.24 = 351.02 : x
  2. Step 2: Convert to fraction form
    627.02/865.24 = 351.02/x
  3. Step 3: Cross multiply
    627.02x = 865.24 × 351.02
  4. Step 4: Simplify right side
    627.02x = 303,716.54
  5. Step 5: Solve for x
    x = 303,716.54/627.02
  6. Step 6: Final answer
    x = 484.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.