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Finding the Fourth Proportional to 416.31, 574.43 and 241.62

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Solution

The fourth proportional to 416.31, 574.43 and 241.62 is: 333.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    416.31 : 574.43 = 241.62 : x
  2. Step 2: Convert to fraction form
    416.31/574.43 = 241.62/x
  3. Step 3: Cross multiply
    416.31x = 574.43 × 241.62
  4. Step 4: Simplify right side
    416.31x = 138,792.57
  5. Step 5: Solve for x
    x = 138,792.57/416.31
  6. Step 6: Final answer
    x = 333.39

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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.