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Finding the Fourth Proportional to 43.69, 60.28 and 33.32

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Solution

The fourth proportional to 43.69, 60.28 and 33.32 is: 45.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    43.69 : 60.28 = 33.32 : x
  2. Step 2: Convert to fraction form
    43.69/60.28 = 33.32/x
  3. Step 3: Cross multiply
    43.69x = 60.28 × 33.32
  4. Step 4: Simplify right side
    43.69x = 2,008.36
  5. Step 5: Solve for x
    x = 2,008.36/43.69
  6. Step 6: Final answer
    x = 45.97

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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.