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Finding the Fourth Proportional to 275.00, 376.68 and 271.49

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Solution

The fourth proportional to 275.00, 376.68 and 271.49 is: 371.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    275.00 : 376.68 = 271.49 : x
  2. Step 2: Convert to fraction form
    275.00/376.68 = 271.49/x
  3. Step 3: Cross multiply
    275.00x = 376.68 × 271.49
  4. Step 4: Simplify right side
    275.00x = 102,263.99
  5. Step 5: Solve for x
    x = 102,263.99/275.00
  6. Step 6: Final answer
    x = 371.88

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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.