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Finding the Fourth Proportional to 350.43, 483.23 and 300.82

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Solution

The fourth proportional to 350.43, 483.23 and 300.82 is: 414.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.43 : 483.23 = 300.82 : x
  2. Step 2: Convert to fraction form
    350.43/483.23 = 300.82/x
  3. Step 3: Cross multiply
    350.43x = 483.23 × 300.82
  4. Step 4: Simplify right side
    350.43x = 145,363.29
  5. Step 5: Solve for x
    x = 145,363.29/350.43
  6. Step 6: Final answer
    x = 414.81

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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.