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Finding the Fourth Proportional to 350.32, 484.58 and 326.68

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Solution

The fourth proportional to 350.32, 484.58 and 326.68 is: 451.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.32 : 484.58 = 326.68 : x
  2. Step 2: Convert to fraction form
    350.32/484.58 = 326.68/x
  3. Step 3: Cross multiply
    350.32x = 484.58 × 326.68
  4. Step 4: Simplify right side
    350.32x = 158,302.59
  5. Step 5: Solve for x
    x = 158,302.59/350.32
  6. Step 6: Final answer
    x = 451.88

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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.