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Finding the Fourth Proportional to 271.26, 376.85 and 268.73

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Solution

The fourth proportional to 271.26, 376.85 and 268.73 is: 373.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    271.26 : 376.85 = 268.73 : x
  2. Step 2: Convert to fraction form
    271.26/376.85 = 268.73/x
  3. Step 3: Cross multiply
    271.26x = 376.85 × 268.73
  4. Step 4: Simplify right side
    271.26x = 101,267.67
  5. Step 5: Solve for x
    x = 101,267.67/271.26
  6. Step 6: Final answer
    x = 373.32

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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.