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Finding the Fourth Proportional to 575.92, 794.94 and 351.94

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Solution

The fourth proportional to 575.92, 794.94 and 351.94 is: 485.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    575.92 : 794.94 = 351.94 : x
  2. Step 2: Convert to fraction form
    575.92/794.94 = 351.94/x
  3. Step 3: Cross multiply
    575.92x = 794.94 × 351.94
  4. Step 4: Simplify right side
    575.92x = 279,771.18
  5. Step 5: Solve for x
    x = 279,771.18/575.92
  6. Step 6: Final answer
    x = 485.78

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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.