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Finding the Fourth Proportional to 232.22, 347.90 and 186.03

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Solution

The fourth proportional to 232.22, 347.90 and 186.03 is: 278.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.22 : 347.90 = 186.03 : x
  2. Step 2: Convert to fraction form
    232.22/347.90 = 186.03/x
  3. Step 3: Cross multiply
    232.22x = 347.90 × 186.03
  4. Step 4: Simplify right side
    232.22x = 64,718.91
  5. Step 5: Solve for x
    x = 64,718.91/232.22
  6. Step 6: Final answer
    x = 278.69

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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.