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Finding the Fourth Proportional to 350.62, 483.94 and 203.23

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Solution

The fourth proportional to 350.62, 483.94 and 203.23 is: 280.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.62 : 483.94 = 203.23 : x
  2. Step 2: Convert to fraction form
    350.62/483.94 = 203.23/x
  3. Step 3: Cross multiply
    350.62x = 483.94 × 203.23
  4. Step 4: Simplify right side
    350.62x = 98,350.62
  5. Step 5: Solve for x
    x = 98,350.62/350.62
  6. Step 6: Final answer
    x = 280.51

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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.