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Finding the Fourth Proportional to 233.63, 350.24 and 164.78

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Solution

The fourth proportional to 233.63, 350.24 and 164.78 is: 247.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.63 : 350.24 = 164.78 : x
  2. Step 2: Convert to fraction form
    233.63/350.24 = 164.78/x
  3. Step 3: Cross multiply
    233.63x = 350.24 × 164.78
  4. Step 4: Simplify right side
    233.63x = 57,709.97
  5. Step 5: Solve for x
    x = 57,709.97/233.63
  6. Step 6: Final answer
    x = 247.02

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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.