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Finding the Fourth Proportional to 250.98, 347.96 and 242.07

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Solution

The fourth proportional to 250.98, 347.96 and 242.07 is: 335.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.98 : 347.96 = 242.07 : x
  2. Step 2: Convert to fraction form
    250.98/347.96 = 242.07/x
  3. Step 3: Cross multiply
    250.98x = 347.96 × 242.07
  4. Step 4: Simplify right side
    250.98x = 84,229.47
  5. Step 5: Solve for x
    x = 84,229.47/250.98
  6. Step 6: Final answer
    x = 335.60

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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.