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Finding the Fourth Proportional to 234.45, 349.84 and 233.10

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Solution

The fourth proportional to 234.45, 349.84 and 233.10 is: 347.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.45 : 349.84 = 233.10 : x
  2. Step 2: Convert to fraction form
    234.45/349.84 = 233.10/x
  3. Step 3: Cross multiply
    234.45x = 349.84 × 233.10
  4. Step 4: Simplify right side
    234.45x = 81,547.70
  5. Step 5: Solve for x
    x = 81,547.70/234.45
  6. Step 6: Final answer
    x = 347.83

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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.