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Finding the Fourth Proportional to 350.26, 528.03 and 326.77

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Solution

The fourth proportional to 350.26, 528.03 and 326.77 is: 492.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.26 : 528.03 = 326.77 : x
  2. Step 2: Convert to fraction form
    350.26/528.03 = 326.77/x
  3. Step 3: Cross multiply
    350.26x = 528.03 × 326.77
  4. Step 4: Simplify right side
    350.26x = 172,544.36
  5. Step 5: Solve for x
    x = 172,544.36/350.26
  6. Step 6: Final answer
    x = 492.62

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.