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Finding the Fourth Proportional to 575.84, 794.52 and 327.12

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Solution

The fourth proportional to 575.84, 794.52 and 327.12 is: 451.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    575.84 : 794.52 = 327.12 : x
  2. Step 2: Convert to fraction form
    575.84/794.52 = 327.12/x
  3. Step 3: Cross multiply
    575.84x = 794.52 × 327.12
  4. Step 4: Simplify right side
    575.84x = 259,903.38
  5. Step 5: Solve for x
    x = 259,903.38/575.84
  6. Step 6: Final answer
    x = 451.35

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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.