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Finding the Fourth Proportional to 235.35, 350.64 and 223.73

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Solution

The fourth proportional to 235.35, 350.64 and 223.73 is: 333.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.35 : 350.64 = 223.73 : x
  2. Step 2: Convert to fraction form
    235.35/350.64 = 223.73/x
  3. Step 3: Cross multiply
    235.35x = 350.64 × 223.73
  4. Step 4: Simplify right side
    235.35x = 78,446.93
  5. Step 5: Solve for x
    x = 78,446.93/235.35
  6. Step 6: Final answer
    x = 333.32

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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.