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Finding the Fourth Proportional to 416.44, 574.92 and 250.69

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Solution

The fourth proportional to 416.44, 574.92 and 250.69 is: 346.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    416.44 : 574.92 = 250.69 : x
  2. Step 2: Convert to fraction form
    416.44/574.92 = 250.69/x
  3. Step 3: Cross multiply
    416.44x = 574.92 × 250.69
  4. Step 4: Simplify right side
    416.44x = 144,125.44
  5. Step 5: Solve for x
    x = 144,125.44/416.44
  6. Step 6: Final answer
    x = 346.09

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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.