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Finding the Fourth Proportional to 235.50, 351.60 and 201.29

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Solution

The fourth proportional to 235.50, 351.60 and 201.29 is: 300.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.50 : 351.60 = 201.29 : x
  2. Step 2: Convert to fraction form
    235.50/351.60 = 201.29/x
  3. Step 3: Cross multiply
    235.50x = 351.60 × 201.29
  4. Step 4: Simplify right side
    235.50x = 70,771.81
  5. Step 5: Solve for x
    x = 70,771.81/235.50
  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.