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Finding the Fourth Proportional to 233.52, 349.80 and 163.92

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Solution

The fourth proportional to 233.52, 349.80 and 163.92 is: 245.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.52 : 349.80 = 163.92 : x
  2. Step 2: Convert to fraction form
    233.52/349.80 = 163.92/x
  3. Step 3: Cross multiply
    233.52x = 349.80 × 163.92
  4. Step 4: Simplify right side
    233.52x = 57,339.22
  5. Step 5: Solve for x
    x = 57,339.22/233.52
  6. Step 6: Final answer
    x = 245.54

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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.