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Finding the Fourth Proportional to 350.65, 483.45 and 249.49

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Solution

The fourth proportional to 350.65, 483.45 and 249.49 is: 343.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.65 : 483.45 = 249.49 : x
  2. Step 2: Convert to fraction form
    350.65/483.45 = 249.49/x
  3. Step 3: Cross multiply
    350.65x = 483.45 × 249.49
  4. Step 4: Simplify right side
    350.65x = 120,615.94
  5. Step 5: Solve for x
    x = 120,615.94/350.65
  6. Step 6: Final answer
    x = 343.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.