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Finding the Fourth Proportional to 235.45, 351.33 and 234.10

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Solution

The fourth proportional to 235.45, 351.33 and 234.10 is: 349.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.45 : 351.33 = 234.10 : x
  2. Step 2: Convert to fraction form
    235.45/351.33 = 234.10/x
  3. Step 3: Cross multiply
    235.45x = 351.33 × 234.10
  4. Step 4: Simplify right side
    235.45x = 82,246.35
  5. Step 5: Solve for x
    x = 82,246.35/235.45
  6. Step 6: Final answer
    x = 349.32

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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.