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Finding the Fourth Proportional to 3.36, 5.04 and 3.19

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Solution

The fourth proportional to 3.36, 5.04 and 3.19 is: 4.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3.36 : 5.04 = 3.19 : x
  2. Step 2: Convert to fraction form
    3.36/5.04 = 3.19/x
  3. Step 3: Cross multiply
    3.36x = 5.04 × 3.19
  4. Step 4: Simplify right side
    3.36x = 16.06
  5. Step 5: Solve for x
    x = 16.06/3.36
  6. Step 6: Final answer
    x = 4.79

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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.