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Finding the Fourth Proportional to 235.04, 352.16 and 226.54

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Solution

The fourth proportional to 235.04, 352.16 and 226.54 is: 339.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.04 : 352.16 = 226.54 : x
  2. Step 2: Convert to fraction form
    235.04/352.16 = 226.54/x
  3. Step 3: Cross multiply
    235.04x = 352.16 × 226.54
  4. Step 4: Simplify right side
    235.04x = 79,776.31
  5. Step 5: Solve for x
    x = 79,776.31/235.04
  6. Step 6: Final answer
    x = 339.41

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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.