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Finding the Fourth Proportional to 635.65, 952.04 and 378.61

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Solution

The fourth proportional to 635.65, 952.04 and 378.61 is: 567.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    635.65 : 952.04 = 378.61 : x
  2. Step 2: Convert to fraction form
    635.65/952.04 = 378.61/x
  3. Step 3: Cross multiply
    635.65x = 952.04 × 378.61
  4. Step 4: Simplify right side
    635.65x = 360,449.97
  5. Step 5: Solve for x
    x = 360,449.97/635.65
  6. Step 6: Final answer
    x = 567.06

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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.