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Finding the Fourth Proportional to 248.84, 372.92 and 190.84

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Solution

The fourth proportional to 248.84, 372.92 and 190.84 is: 286.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.84 : 372.92 = 190.84 : x
  2. Step 2: Convert to fraction form
    248.84/372.92 = 190.84/x
  3. Step 3: Cross multiply
    248.84x = 372.92 × 190.84
  4. Step 4: Simplify right side
    248.84x = 71,168.05
  5. Step 5: Solve for x
    x = 71,168.05/248.84
  6. Step 6: Final answer
    x = 286.00

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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.