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Finding the Fourth Proportional to 62.23, 93.26 and 36.56

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Solution

The fourth proportional to 62.23, 93.26 and 36.56 is: 54.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.23 : 93.26 = 36.56 : x
  2. Step 2: Convert to fraction form
    62.23/93.26 = 36.56/x
  3. Step 3: Cross multiply
    62.23x = 93.26 × 36.56
  4. Step 4: Simplify right side
    62.23x = 3,409.12
  5. Step 5: Solve for x
    x = 3,409.12/62.23
  6. Step 6: Final answer
    x = 54.78

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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.