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Finding the Fourth Proportional to 36.82, 50.70 and 35.65

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Solution

The fourth proportional to 36.82, 50.70 and 35.65 is: 49.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.82 : 50.70 = 35.65 : x
  2. Step 2: Convert to fraction form
    36.82/50.70 = 35.65/x
  3. Step 3: Cross multiply
    36.82x = 50.70 × 35.65
  4. Step 4: Simplify right side
    36.82x = 1,807.46
  5. Step 5: Solve for x
    x = 1,807.46/36.82
  6. Step 6: Final answer
    x = 49.09

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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.