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Finding the Fourth Proportional to 350.93, 484.33 and 203.53

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Solution

The fourth proportional to 350.93, 484.33 and 203.53 is: 280.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.93 : 484.33 = 203.53 : x
  2. Step 2: Convert to fraction form
    350.93/484.33 = 203.53/x
  3. Step 3: Cross multiply
    350.93x = 484.33 × 203.53
  4. Step 4: Simplify right side
    350.93x = 98,575.68
  5. Step 5: Solve for x
    x = 98,575.68/350.93
  6. Step 6: Final answer
    x = 280.90

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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.