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Finding the Fourth Proportional to 443.87, 611.84 and 350.48

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Solution

The fourth proportional to 443.87, 611.84 and 350.48 is: 483.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    443.87 : 611.84 = 350.48 : x
  2. Step 2: Convert to fraction form
    443.87/611.84 = 350.48/x
  3. Step 3: Cross multiply
    443.87x = 611.84 × 350.48
  4. Step 4: Simplify right side
    443.87x = 214,432.87
  5. Step 5: Solve for x
    x = 214,432.87/443.87
  6. Step 6: Final answer
    x = 483.10

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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.