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Finding the Fourth Proportional to 3.67, 4.99 and 3.66

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Solution

The fourth proportional to 3.67, 4.99 and 3.66 is: 4.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3.67 : 4.99 = 3.66 : x
  2. Step 2: Convert to fraction form
    3.67/4.99 = 3.66/x
  3. Step 3: Cross multiply
    3.67x = 4.99 × 3.66
  4. Step 4: Simplify right side
    3.67x = 18.26
  5. Step 5: Solve for x
    x = 18.26/3.67
  6. Step 6: Final answer
    x = 4.98

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.