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Finding the Fourth Proportional to 331.05, 496.16 and 184.88

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Solution

The fourth proportional to 331.05, 496.16 and 184.88 is: 277.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    331.05 : 496.16 = 184.88 : x
  2. Step 2: Convert to fraction form
    331.05/496.16 = 184.88/x
  3. Step 3: Cross multiply
    331.05x = 496.16 × 184.88
  4. Step 4: Simplify right side
    331.05x = 91,726.66
  5. Step 5: Solve for x
    x = 91,726.66/331.05
  6. Step 6: Final answer
    x = 277.08

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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.