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Finding the Fourth Proportional to 223.01, 334.23 and 194

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Solution

The fourth proportional to 223.01, 334.23 and 194 is: 290.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.01 : 334.23 = 194 : x
  2. Step 2: Convert to fraction form
    223.01/334.23 = 194/x
  3. Step 3: Cross multiply
    223.01x = 334.23 × 194
  4. Step 4: Simplify right side
    223.01x = 64,840.62
  5. Step 5: Solve for x
    x = 64,840.62/223.01
  6. Step 6: Final answer
    x = 290.75

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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.