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Finding the Fourth Proportional to 266.09, 397.04 and 246.92

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Solution

The fourth proportional to 266.09, 397.04 and 246.92 is: 368.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    266.09 : 397.04 = 246.92 : x
  2. Step 2: Convert to fraction form
    266.09/397.04 = 246.92/x
  3. Step 3: Cross multiply
    266.09x = 397.04 × 246.92
  4. Step 4: Simplify right side
    266.09x = 98,033.90
  5. Step 5: Solve for x
    x = 98,033.90/266.09
  6. Step 6: Final answer
    x = 368.43

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.