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Finding the Fourth Proportional to 351.21, 483.86 and 246.12

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Solution

The fourth proportional to 351.21, 483.86 and 246.12 is: 339.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.21 : 483.86 = 246.12 : x
  2. Step 2: Convert to fraction form
    351.21/483.86 = 246.12/x
  3. Step 3: Cross multiply
    351.21x = 483.86 × 246.12
  4. Step 4: Simplify right side
    351.21x = 119,087.62
  5. Step 5: Solve for x
    x = 119,087.62/351.21
  6. Step 6: Final answer
    x = 339.08

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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.