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Finding the Fourth Proportional to 41.33, 62.00 and 15.65

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Solution

The fourth proportional to 41.33, 62.00 and 15.65 is: 23.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.33 : 62.00 = 15.65 : x
  2. Step 2: Convert to fraction form
    41.33/62.00 = 15.65/x
  3. Step 3: Cross multiply
    41.33x = 62.00 × 15.65
  4. Step 4: Simplify right side
    41.33x = 970.03
  5. Step 5: Solve for x
    x = 970.03/41.33
  6. Step 6: Final answer
    x = 23.47

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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.