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Finding the Fourth Proportional to 271.26, 404.69 and 230.22

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Solution

The fourth proportional to 271.26, 404.69 and 230.22 is: 343.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    271.26 : 404.69 = 230.22 : x
  2. Step 2: Convert to fraction form
    271.26/404.69 = 230.22/x
  3. Step 3: Cross multiply
    271.26x = 404.69 × 230.22
  4. Step 4: Simplify right side
    271.26x = 93,167.73
  5. Step 5: Solve for x
    x = 93,167.73/271.26
  6. Step 6: Final answer
    x = 343.46

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.