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Finding the Fourth Proportional to 379.06, 567.20 and 335.39

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Solution

The fourth proportional to 379.06, 567.20 and 335.39 is: 501.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    379.06 : 567.20 = 335.39 : x
  2. Step 2: Convert to fraction form
    379.06/567.20 = 335.39/x
  3. Step 3: Cross multiply
    379.06x = 567.20 × 335.39
  4. Step 4: Simplify right side
    379.06x = 190,231.21
  5. Step 5: Solve for x
    x = 190,231.21/379.06
  6. Step 6: Final answer
    x = 501.85

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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.