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Finding the Fourth Proportional to 251.05, 347.91 and 246.19

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Solution

The fourth proportional to 251.05, 347.91 and 246.19 is: 341.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    251.05 : 347.91 = 246.19 : x
  2. Step 2: Convert to fraction form
    251.05/347.91 = 246.19/x
  3. Step 3: Cross multiply
    251.05x = 347.91 × 246.19
  4. Step 4: Simplify right side
    251.05x = 85,649.86
  5. Step 5: Solve for x
    x = 85,649.86/251.05
  6. Step 6: Final answer
    x = 341.17

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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.