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Finding the Fourth Proportional to 575.32, 794.21 and 351.27

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Solution

The fourth proportional to 575.32, 794.21 and 351.27 is: 484.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    575.32 : 794.21 = 351.27 : x
  2. Step 2: Convert to fraction form
    575.32/794.21 = 351.27/x
  3. Step 3: Cross multiply
    575.32x = 794.21 × 351.27
  4. Step 4: Simplify right side
    575.32x = 278,980.39
  5. Step 5: Solve for x
    x = 278,980.39/575.32
  6. Step 6: Final answer
    x = 484.91

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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.