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Finding the Fourth Proportional to 351.31, 484.43 and 246.36

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Solution

The fourth proportional to 351.31, 484.43 and 246.36 is: 339.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.31 : 484.43 = 246.36 : x
  2. Step 2: Convert to fraction form
    351.31/484.43 = 246.36/x
  3. Step 3: Cross multiply
    351.31x = 484.43 × 246.36
  4. Step 4: Simplify right side
    351.31x = 119,342.94
  5. Step 5: Solve for x
    x = 119,342.94/351.31
  6. Step 6: Final answer
    x = 339.71

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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.