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Finding the Fourth Proportional to 531.35, 795.31 and 326.33

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Solution

The fourth proportional to 531.35, 795.31 and 326.33 is: 488.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    531.35 : 795.31 = 326.33 : x
  2. Step 2: Convert to fraction form
    531.35/795.31 = 326.33/x
  3. Step 3: Cross multiply
    531.35x = 795.31 × 326.33
  4. Step 4: Simplify right side
    531.35x = 259,534.68
  5. Step 5: Solve for x
    x = 259,534.68/531.35
  6. Step 6: Final answer
    x = 488.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.