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Finding the Fourth Proportional to 350.72, 483.86 and 201.33

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Solution

The fourth proportional to 350.72, 483.86 and 201.33 is: 277.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.72 : 483.86 = 201.33 : x
  2. Step 2: Convert to fraction form
    350.72/483.86 = 201.33/x
  3. Step 3: Cross multiply
    350.72x = 483.86 × 201.33
  4. Step 4: Simplify right side
    350.72x = 97,414.53
  5. Step 5: Solve for x
    x = 97,414.53/350.72
  6. Step 6: Final answer
    x = 277.76

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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.