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Finding the Fourth Proportional to 33.01, 49.23 and 28.23

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Solution

The fourth proportional to 33.01, 49.23 and 28.23 is: 42.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.01 : 49.23 = 28.23 : x
  2. Step 2: Convert to fraction form
    33.01/49.23 = 28.23/x
  3. Step 3: Cross multiply
    33.01x = 49.23 × 28.23
  4. Step 4: Simplify right side
    33.01x = 1,389.76
  5. Step 5: Solve for x
    x = 1,389.76/33.01
  6. Step 6: Final answer
    x = 42.10

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.