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Finding the Fourth Proportional to 353.40, 484.84 and 350.58

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Solution

The fourth proportional to 353.40, 484.84 and 350.58 is: 480.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    353.40 : 484.84 = 350.58 : x
  2. Step 2: Convert to fraction form
    353.40/484.84 = 350.58/x
  3. Step 3: Cross multiply
    353.40x = 484.84 × 350.58
  4. Step 4: Simplify right side
    353.40x = 169,975.21
  5. Step 5: Solve for x
    x = 169,975.21/353.40
  6. Step 6: Final answer
    x = 480.97

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.