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Finding the Fourth Proportional to 45.22, 62.44 and 36.94

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Solution

The fourth proportional to 45.22, 62.44 and 36.94 is: 51.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    45.22 : 62.44 = 36.94 : x
  2. Step 2: Convert to fraction form
    45.22/62.44 = 36.94/x
  3. Step 3: Cross multiply
    45.22x = 62.44 × 36.94
  4. Step 4: Simplify right side
    45.22x = 2,306.59
  5. Step 5: Solve for x
    x = 2,306.59/45.22
  6. Step 6: Final answer
    x = 51.01

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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.