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Finding the Fourth Proportional to 416.59, 574.85 and 248.54

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Solution

The fourth proportional to 416.59, 574.85 and 248.54 is: 342.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    416.59 : 574.85 = 248.54 : x
  2. Step 2: Convert to fraction form
    416.59/574.85 = 248.54/x
  3. Step 3: Cross multiply
    416.59x = 574.85 × 248.54
  4. Step 4: Simplify right side
    416.59x = 142,874.42
  5. Step 5: Solve for x
    x = 142,874.42/416.59
  6. Step 6: Final answer
    x = 342.96

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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.