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Finding the Fourth Proportional to 351.47, 484.84 and 246.52

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Solution

The fourth proportional to 351.47, 484.84 and 246.52 is: 340.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.47 : 484.84 = 246.52 : x
  2. Step 2: Convert to fraction form
    351.47/484.84 = 246.52/x
  3. Step 3: Cross multiply
    351.47x = 484.84 × 246.52
  4. Step 4: Simplify right side
    351.47x = 119,520.93
  5. Step 5: Solve for x
    x = 119,520.93/351.47
  6. Step 6: Final answer
    x = 340.06

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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.