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Finding the Fourth Proportional to 354.88, 532.25 and 201.11

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Solution

The fourth proportional to 354.88, 532.25 and 201.11 is: 301.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    354.88 : 532.25 = 201.11 : x
  2. Step 2: Convert to fraction form
    354.88/532.25 = 201.11/x
  3. Step 3: Cross multiply
    354.88x = 532.25 × 201.11
  4. Step 4: Simplify right side
    354.88x = 107,037.88
  5. Step 5: Solve for x
    x = 107,037.88/354.88
  6. Step 6: Final answer
    x = 301.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.