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Finding the Fourth Proportional to 575, 793.45 and 326.33

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Solution

The fourth proportional to 575, 793.45 and 326.33 is: 450.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    575 : 793.45 = 326.33 : x
  2. Step 2: Convert to fraction form
    575/793.45 = 326.33/x
  3. Step 3: Cross multiply
    575x = 793.45 × 326.33
  4. Step 4: Simplify right side
    575x = 258,926.54
  5. Step 5: Solve for x
    x = 258,926.54/575
  6. Step 6: Final answer
    x = 450.31

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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.