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Finding the Fourth Proportional to 335.08, 504.43 and 239.56

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Solution

The fourth proportional to 335.08, 504.43 and 239.56 is: 360.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.08 : 504.43 = 239.56 : x
  2. Step 2: Convert to fraction form
    335.08/504.43 = 239.56/x
  3. Step 3: Cross multiply
    335.08x = 504.43 × 239.56
  4. Step 4: Simplify right side
    335.08x = 120,841.25
  5. Step 5: Solve for x
    x = 120,841.25/335.08
  6. Step 6: Final answer
    x = 360.63

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.