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Finding the Fourth Proportional to 635, 951.26 and 325.94

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Solution

The fourth proportional to 635, 951.26 and 325.94 is: 488.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    635 : 951.26 = 325.94 : x
  2. Step 2: Convert to fraction form
    635/951.26 = 325.94/x
  3. Step 3: Cross multiply
    635x = 951.26 × 325.94
  4. Step 4: Simplify right side
    635x = 310,053.68
  5. Step 5: Solve for x
    x = 310,053.68/635
  6. Step 6: Final answer
    x = 488.27

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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.