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Finding the Fourth Proportional to 223.91, 335.15 and 162.00

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Solution

The fourth proportional to 223.91, 335.15 and 162.00 is: 242.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.91 : 335.15 = 162.00 : x
  2. Step 2: Convert to fraction form
    223.91/335.15 = 162.00/x
  3. Step 3: Cross multiply
    223.91x = 335.15 × 162.00
  4. Step 4: Simplify right side
    223.91x = 54,292.65
  5. Step 5: Solve for x
    x = 54,292.65/223.91
  6. Step 6: Final answer
    x = 242.48

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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.