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Finding the Fourth Proportional to 254.96, 353.65 and 246.22

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Solution

The fourth proportional to 254.96, 353.65 and 246.22 is: 341.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    254.96 : 353.65 = 246.22 : x
  2. Step 2: Convert to fraction form
    254.96/353.65 = 246.22/x
  3. Step 3: Cross multiply
    254.96x = 353.65 × 246.22
  4. Step 4: Simplify right side
    254.96x = 87,072.70
  5. Step 5: Solve for x
    x = 87,072.70/254.96
  6. Step 6: Final answer
    x = 341.52

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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.