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Finding the Fourth Proportional to 62.54, 93.83 and 28.27

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Solution

The fourth proportional to 62.54, 93.83 and 28.27 is: 42.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.54 : 93.83 = 28.27 : x
  2. Step 2: Convert to fraction form
    62.54/93.83 = 28.27/x
  3. Step 3: Cross multiply
    62.54x = 93.83 × 28.27
  4. Step 4: Simplify right side
    62.54x = 2,652.57
  5. Step 5: Solve for x
    x = 2,652.57/62.54
  6. Step 6: Final answer
    x = 42.41

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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.