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Finding the Fourth Proportional to 635.07, 951.39 and 310.26

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Solution

The fourth proportional to 635.07, 951.39 and 310.26 is: 464.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    635.07 : 951.39 = 310.26 : x
  2. Step 2: Convert to fraction form
    635.07/951.39 = 310.26/x
  3. Step 3: Cross multiply
    635.07x = 951.39 × 310.26
  4. Step 4: Simplify right side
    635.07x = 295,178.26
  5. Step 5: Solve for x
    x = 295,178.26/635.07
  6. Step 6: Final answer
    x = 464.80

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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.