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Finding the Fourth Proportional to 250.67, 346.79 and 206.93

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Solution

The fourth proportional to 250.67, 346.79 and 206.93 is: 286.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.67 : 346.79 = 206.93 : x
  2. Step 2: Convert to fraction form
    250.67/346.79 = 206.93/x
  3. Step 3: Cross multiply
    250.67x = 346.79 × 206.93
  4. Step 4: Simplify right side
    250.67x = 71,760.04
  5. Step 5: Solve for x
    x = 71,760.04/250.67
  6. Step 6: Final answer
    x = 286.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.