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Finding the Fourth Proportional to 276.77, 383.77 and 267.54

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Solution

The fourth proportional to 276.77, 383.77 and 267.54 is: 370.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    276.77 : 383.77 = 267.54 : x
  2. Step 2: Convert to fraction form
    276.77/383.77 = 267.54/x
  3. Step 3: Cross multiply
    276.77x = 383.77 × 267.54
  4. Step 4: Simplify right side
    276.77x = 102,673.83
  5. Step 5: Solve for x
    x = 102,673.83/276.77
  6. Step 6: Final answer
    x = 370.97

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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.