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Finding the Fourth Proportional to 351.26, 527.25 and 248.66

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Solution

The fourth proportional to 351.26, 527.25 and 248.66 is: 373.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.26 : 527.25 = 248.66 : x
  2. Step 2: Convert to fraction form
    351.26/527.25 = 248.66/x
  3. Step 3: Cross multiply
    351.26x = 527.25 × 248.66
  4. Step 4: Simplify right side
    351.26x = 131,105.99
  5. Step 5: Solve for x
    x = 131,105.99/351.26
  6. Step 6: Final answer
    x = 373.24

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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.