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Finding the Fourth Proportional to 41.49, 57.25 and 25.10

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Solution

The fourth proportional to 41.49, 57.25 and 25.10 is: 34.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.49 : 57.25 = 25.10 : x
  2. Step 2: Convert to fraction form
    41.49/57.25 = 25.10/x
  3. Step 3: Cross multiply
    41.49x = 57.25 × 25.10
  4. Step 4: Simplify right side
    41.49x = 1,437.13
  5. Step 5: Solve for x
    x = 1,437.13/41.49
  6. Step 6: Final answer
    x = 34.64

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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.