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Finding the Fourth Proportional to 377.97, 522.09 and 267.81

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Solution

The fourth proportional to 377.97, 522.09 and 267.81 is: 369.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    377.97 : 522.09 = 267.81 : x
  2. Step 2: Convert to fraction form
    377.97/522.09 = 267.81/x
  3. Step 3: Cross multiply
    377.97x = 522.09 × 267.81
  4. Step 4: Simplify right side
    377.97x = 139,820.92
  5. Step 5: Solve for x
    x = 139,820.92/377.97
  6. Step 6: Final answer
    x = 369.93

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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.