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Finding the Fourth Proportional to 247, 368.84 and 201.25

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Solution

The fourth proportional to 247, 368.84 and 201.25 is: 300.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    247 : 368.84 = 201.25 : x
  2. Step 2: Convert to fraction form
    247/368.84 = 201.25/x
  3. Step 3: Cross multiply
    247x = 368.84 × 201.25
  4. Step 4: Simplify right side
    247x = 74,229.05
  5. Step 5: Solve for x
    x = 74,229.05/247
  6. Step 6: Final answer
    x = 300.52

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.