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Finding the Fourth Proportional to 234.82, 350.51 and 207.49

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Solution

The fourth proportional to 234.82, 350.51 and 207.49 is: 309.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.82 : 350.51 = 207.49 : x
  2. Step 2: Convert to fraction form
    234.82/350.51 = 207.49/x
  3. Step 3: Cross multiply
    234.82x = 350.51 × 207.49
  4. Step 4: Simplify right side
    234.82x = 72,727.32
  5. Step 5: Solve for x
    x = 72,727.32/234.82
  6. Step 6: Final answer
    x = 309.72

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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.