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Finding the Fourth Proportional to 335.70, 503.55 and 119.22

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Solution

The fourth proportional to 335.70, 503.55 and 119.22 is: 178.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.70 : 503.55 = 119.22 : x
  2. Step 2: Convert to fraction form
    335.70/503.55 = 119.22/x
  3. Step 3: Cross multiply
    335.70x = 503.55 × 119.22
  4. Step 4: Simplify right side
    335.70x = 60,033.23
  5. Step 5: Solve for x
    x = 60,033.23/335.70
  6. Step 6: Final answer
    x = 178.83

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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.