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Finding the Fourth Proportional to 361.84, 500.10 and 274.36

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Solution

The fourth proportional to 361.84, 500.10 and 274.36 is: 379.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    361.84 : 500.10 = 274.36 : x
  2. Step 2: Convert to fraction form
    361.84/500.10 = 274.36/x
  3. Step 3: Cross multiply
    361.84x = 500.10 × 274.36
  4. Step 4: Simplify right side
    361.84x = 137,207.44
  5. Step 5: Solve for x
    x = 137,207.44/361.84
  6. Step 6: Final answer
    x = 379.19

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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.