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Finding the Fourth Proportional to 350.87, 484.28 and 201.57

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Solution

The fourth proportional to 350.87, 484.28 and 201.57 is: 278.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.87 : 484.28 = 201.57 : x
  2. Step 2: Convert to fraction form
    350.87/484.28 = 201.57/x
  3. Step 3: Cross multiply
    350.87x = 484.28 × 201.57
  4. Step 4: Simplify right side
    350.87x = 97,616.98
  5. Step 5: Solve for x
    x = 97,616.98/350.87
  6. Step 6: Final answer
    x = 278.22

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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.