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Finding the Fourth Proportional to 361.08, 497.79 and 267.83

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Solution

The fourth proportional to 361.08, 497.79 and 267.83 is: 369.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    361.08 : 497.79 = 267.83 : x
  2. Step 2: Convert to fraction form
    361.08/497.79 = 267.83/x
  3. Step 3: Cross multiply
    361.08x = 497.79 × 267.83
  4. Step 4: Simplify right side
    361.08x = 133,320.61
  5. Step 5: Solve for x
    x = 133,320.61/361.08
  6. Step 6: Final answer
    x = 369.23

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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.