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Finding the Fourth Proportional to 234.84, 350.79 and 207.96

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Solution

The fourth proportional to 234.84, 350.79 and 207.96 is: 310.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.84 : 350.79 = 207.96 : x
  2. Step 2: Convert to fraction form
    234.84/350.79 = 207.96/x
  3. Step 3: Cross multiply
    234.84x = 350.79 × 207.96
  4. Step 4: Simplify right side
    234.84x = 72,950.29
  5. Step 5: Solve for x
    x = 72,950.29/234.84
  6. Step 6: Final answer
    x = 310.64

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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.