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Finding the Fourth Proportional to 375.26, 517.56 and 235.25

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Solution

The fourth proportional to 375.26, 517.56 and 235.25 is: 324.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.26 : 517.56 = 235.25 : x
  2. Step 2: Convert to fraction form
    375.26/517.56 = 235.25/x
  3. Step 3: Cross multiply
    375.26x = 517.56 × 235.25
  4. Step 4: Simplify right side
    375.26x = 121,755.99
  5. Step 5: Solve for x
    x = 121,755.99/375.26
  6. Step 6: Final answer
    x = 324.46

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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.