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Finding the Fourth Proportional to 33.29, 45.96 and 28.37

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Solution

The fourth proportional to 33.29, 45.96 and 28.37 is: 39.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.29 : 45.96 = 28.37 : x
  2. Step 2: Convert to fraction form
    33.29/45.96 = 28.37/x
  3. Step 3: Cross multiply
    33.29x = 45.96 × 28.37
  4. Step 4: Simplify right side
    33.29x = 1,303.89
  5. Step 5: Solve for x
    x = 1,303.89/33.29
  6. Step 6: Final answer
    x = 39.17

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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.