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Finding the Fourth Proportional to 62.19, 85.82 and 37.65

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Solution

The fourth proportional to 62.19, 85.82 and 37.65 is: 51.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.19 : 85.82 = 37.65 : x
  2. Step 2: Convert to fraction form
    62.19/85.82 = 37.65/x
  3. Step 3: Cross multiply
    62.19x = 85.82 × 37.65
  4. Step 4: Simplify right side
    62.19x = 3,230.93
  5. Step 5: Solve for x
    x = 3,230.93/62.19
  6. Step 6: Final answer
    x = 51.95

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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.