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Finding the Fourth Proportional to 234.59, 350.26 and 220.01

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Solution

The fourth proportional to 234.59, 350.26 and 220.01 is: 328.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.59 : 350.26 = 220.01 : x
  2. Step 2: Convert to fraction form
    234.59/350.26 = 220.01/x
  3. Step 3: Cross multiply
    234.59x = 350.26 × 220.01
  4. Step 4: Simplify right side
    234.59x = 77,060.70
  5. Step 5: Solve for x
    x = 77,060.70/234.59
  6. Step 6: Final answer
    x = 328.49

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.