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Finding the Fourth Proportional to 273.70, 376.68 and 271.95

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Solution

The fourth proportional to 273.70, 376.68 and 271.95 is: 374.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.70 : 376.68 = 271.95 : x
  2. Step 2: Convert to fraction form
    273.70/376.68 = 271.95/x
  3. Step 3: Cross multiply
    273.70x = 376.68 × 271.95
  4. Step 4: Simplify right side
    273.70x = 102,438.13
  5. Step 5: Solve for x
    x = 102,438.13/273.70
  6. Step 6: Final answer
    x = 374.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.