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Finding the Fourth Proportional to 297.50, 444.44 and 248.90

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Solution

The fourth proportional to 297.50, 444.44 and 248.90 is: 371.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.50 : 444.44 = 248.90 : x
  2. Step 2: Convert to fraction form
    297.50/444.44 = 248.90/x
  3. Step 3: Cross multiply
    297.50x = 444.44 × 248.90
  4. Step 4: Simplify right side
    297.50x = 110,621.12
  5. Step 5: Solve for x
    x = 110,621.12/297.50
  6. Step 6: Final answer
    x = 371.84

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.