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Finding the Fourth Proportional to 325.26, 487.18 and 234.13

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Solution

The fourth proportional to 325.26, 487.18 and 234.13 is: 350.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    325.26 : 487.18 = 234.13 : x
  2. Step 2: Convert to fraction form
    325.26/487.18 = 234.13/x
  3. Step 3: Cross multiply
    325.26x = 487.18 × 234.13
  4. Step 4: Simplify right side
    325.26x = 114,063.45
  5. Step 5: Solve for x
    x = 114,063.45/325.26
  6. Step 6: Final answer
    x = 350.68

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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.