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Finding the Fourth Proportional to 250.80, 347.56 and 245.94

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Solution

The fourth proportional to 250.80, 347.56 and 245.94 is: 340.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.80 : 347.56 = 245.94 : x
  2. Step 2: Convert to fraction form
    250.80/347.56 = 245.94/x
  3. Step 3: Cross multiply
    250.80x = 347.56 × 245.94
  4. Step 4: Simplify right side
    250.80x = 85,476.99
  5. Step 5: Solve for x
    x = 85,476.99/250.80
  6. Step 6: Final answer
    x = 340.82

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.