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Finding the Fourth Proportional to 350.85, 483.51 and 252.43

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Solution

The fourth proportional to 350.85, 483.51 and 252.43 is: 347.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.85 : 483.51 = 252.43 : x
  2. Step 2: Convert to fraction form
    350.85/483.51 = 252.43/x
  3. Step 3: Cross multiply
    350.85x = 483.51 × 252.43
  4. Step 4: Simplify right side
    350.85x = 122,052.43
  5. Step 5: Solve for x
    x = 122,052.43/350.85
  6. Step 6: Final answer
    x = 347.88

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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.