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Finding the Fourth Proportional to 416.59, 574.89 and 250.81

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Solution

The fourth proportional to 416.59, 574.89 and 250.81 is: 346.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    416.59 : 574.89 = 250.81 : x
  2. Step 2: Convert to fraction form
    416.59/574.89 = 250.81/x
  3. Step 3: Cross multiply
    416.59x = 574.89 × 250.81
  4. Step 4: Simplify right side
    416.59x = 144,188.16
  5. Step 5: Solve for x
    x = 144,188.16/416.59
  6. Step 6: Final answer
    x = 346.12

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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.