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Finding the Fourth Proportional to 235.88, 350.74 and 223.46

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Solution

The fourth proportional to 235.88, 350.74 and 223.46 is: 332.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.88 : 350.74 = 223.46 : x
  2. Step 2: Convert to fraction form
    235.88/350.74 = 223.46/x
  3. Step 3: Cross multiply
    235.88x = 350.74 × 223.46
  4. Step 4: Simplify right side
    235.88x = 78,376.36
  5. Step 5: Solve for x
    x = 78,376.36/235.88
  6. Step 6: Final answer
    x = 332.27

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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.