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Finding the Fourth Proportional to 361.63, 499.06 and 204.25

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Solution

The fourth proportional to 361.63, 499.06 and 204.25 is: 281.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    361.63 : 499.06 = 204.25 : x
  2. Step 2: Convert to fraction form
    361.63/499.06 = 204.25/x
  3. Step 3: Cross multiply
    361.63x = 499.06 × 204.25
  4. Step 4: Simplify right side
    361.63x = 101,933.01
  5. Step 5: Solve for x
    x = 101,933.01/361.63
  6. Step 6: Final answer
    x = 281.87

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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.