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Finding the Fourth Proportional to 635.78, 952.75 and 361.29

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Solution

The fourth proportional to 635.78, 952.75 and 361.29 is: 541.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    635.78 : 952.75 = 361.29 : x
  2. Step 2: Convert to fraction form
    635.78/952.75 = 361.29/x
  3. Step 3: Cross multiply
    635.78x = 952.75 × 361.29
  4. Step 4: Simplify right side
    635.78x = 344,214.28
  5. Step 5: Solve for x
    x = 344,214.28/635.78
  6. Step 6: Final answer
    x = 541.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.