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Finding the Fourth Proportional to 416.23, 574.34 and 250.41

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Solution

The fourth proportional to 416.23, 574.34 and 250.41 is: 345.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    416.23 : 574.34 = 250.41 : x
  2. Step 2: Convert to fraction form
    416.23/574.34 = 250.41/x
  3. Step 3: Cross multiply
    416.23x = 574.34 × 250.41
  4. Step 4: Simplify right side
    416.23x = 143,820.48
  5. Step 5: Solve for x
    x = 143,820.48/416.23
  6. Step 6: Final answer
    x = 345.53

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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.