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Finding the Fourth Proportional to 415.91, 574.07 and 241.29

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Solution

The fourth proportional to 415.91, 574.07 and 241.29 is: 333.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    415.91 : 574.07 = 241.29 : x
  2. Step 2: Convert to fraction form
    415.91/574.07 = 241.29/x
  3. Step 3: Cross multiply
    415.91x = 574.07 × 241.29
  4. Step 4: Simplify right side
    415.91x = 138,516.14
  5. Step 5: Solve for x
    x = 138,516.14/415.91
  6. Step 6: Final answer
    x = 333.05

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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.