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Finding the Fourth Proportional to 41.02, 56.55 and 33.22

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Solution

The fourth proportional to 41.02, 56.55 and 33.22 is: 45.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.02 : 56.55 = 33.22 : x
  2. Step 2: Convert to fraction form
    41.02/56.55 = 33.22/x
  3. Step 3: Cross multiply
    41.02x = 56.55 × 33.22
  4. Step 4: Simplify right side
    41.02x = 1,878.57
  5. Step 5: Solve for x
    x = 1,878.57/41.02
  6. Step 6: Final answer
    x = 45.80

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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.