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Finding the Fourth Proportional to 271.24, 375.79 and 265.48

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Solution

The fourth proportional to 271.24, 375.79 and 265.48 is: 367.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    271.24 : 375.79 = 265.48 : x
  2. Step 2: Convert to fraction form
    271.24/375.79 = 265.48/x
  3. Step 3: Cross multiply
    271.24x = 375.79 × 265.48
  4. Step 4: Simplify right side
    271.24x = 99,764.73
  5. Step 5: Solve for x
    x = 99,764.73/271.24
  6. Step 6: Final answer
    x = 367.81

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.