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Finding the Fourth Proportional to 355.14, 532.14 and 201

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Solution

The fourth proportional to 355.14, 532.14 and 201 is: 301.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    355.14 : 532.14 = 201 : x
  2. Step 2: Convert to fraction form
    355.14/532.14 = 201/x
  3. Step 3: Cross multiply
    355.14x = 532.14 × 201
  4. Step 4: Simplify right side
    355.14x = 106,960.14
  5. Step 5: Solve for x
    x = 106,960.14/355.14
  6. Step 6: Final answer
    x = 301.18

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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.