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Finding the Fourth Proportional to 223.24, 335.58 and 189.16

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Solution

The fourth proportional to 223.24, 335.58 and 189.16 is: 284.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.24 : 335.58 = 189.16 : x
  2. Step 2: Convert to fraction form
    223.24/335.58 = 189.16/x
  3. Step 3: Cross multiply
    223.24x = 335.58 × 189.16
  4. Step 4: Simplify right side
    223.24x = 63,478.31
  5. Step 5: Solve for x
    x = 63,478.31/223.24
  6. Step 6: Final answer
    x = 284.35

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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.