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Finding the Fourth Proportional to 249.06, 372.77 and 222.06

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Solution

The fourth proportional to 249.06, 372.77 and 222.06 is: 332.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.06 : 372.77 = 222.06 : x
  2. Step 2: Convert to fraction form
    249.06/372.77 = 222.06/x
  3. Step 3: Cross multiply
    249.06x = 372.77 × 222.06
  4. Step 4: Simplify right side
    249.06x = 82,777.31
  5. Step 5: Solve for x
    x = 82,777.31/249.06
  6. Step 6: Final answer
    x = 332.36

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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.