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Finding the Fourth Proportional to 274.06, 380.02 and 265.96

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Solution

The fourth proportional to 274.06, 380.02 and 265.96 is: 368.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    274.06 : 380.02 = 265.96 : x
  2. Step 2: Convert to fraction form
    274.06/380.02 = 265.96/x
  3. Step 3: Cross multiply
    274.06x = 380.02 × 265.96
  4. Step 4: Simplify right side
    274.06x = 101,070.12
  5. Step 5: Solve for x
    x = 101,070.12/274.06
  6. Step 6: Final answer
    x = 368.79

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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.