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Finding the Fourth Proportional to 271.68, 372.46 and 266.82

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Solution

The fourth proportional to 271.68, 372.46 and 266.82 is: 365.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    271.68 : 372.46 = 266.82 : x
  2. Step 2: Convert to fraction form
    271.68/372.46 = 266.82/x
  3. Step 3: Cross multiply
    271.68x = 372.46 × 266.82
  4. Step 4: Simplify right side
    271.68x = 99,379.78
  5. Step 5: Solve for x
    x = 99,379.78/271.68
  6. Step 6: Final answer
    x = 365.80

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.