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Finding the Fourth Proportional to 36.19, 49.96 and 25.27

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Solution

The fourth proportional to 36.19, 49.96 and 25.27 is: 34.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.19 : 49.96 = 25.27 : x
  2. Step 2: Convert to fraction form
    36.19/49.96 = 25.27/x
  3. Step 3: Cross multiply
    36.19x = 49.96 × 25.27
  4. Step 4: Simplify right side
    36.19x = 1,262.49
  5. Step 5: Solve for x
    x = 1,262.49/36.19
  6. Step 6: Final answer
    x = 34.89

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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.