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Finding the Fourth Proportional to 235.34, 350.55 and 229.94

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Solution

The fourth proportional to 235.34, 350.55 and 229.94 is: 342.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.34 : 350.55 = 229.94 : x
  2. Step 2: Convert to fraction form
    235.34/350.55 = 229.94/x
  3. Step 3: Cross multiply
    235.34x = 350.55 × 229.94
  4. Step 4: Simplify right side
    235.34x = 80,604.32
  5. Step 5: Solve for x
    x = 80,604.32/235.34
  6. Step 6: Final answer
    x = 342.50

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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.