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Finding the Fourth Proportional to 64.04, 95.84 and 41.12

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Solution

The fourth proportional to 64.04, 95.84 and 41.12 is: 61.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    64.04 : 95.84 = 41.12 : x
  2. Step 2: Convert to fraction form
    64.04/95.84 = 41.12/x
  3. Step 3: Cross multiply
    64.04x = 95.84 × 41.12
  4. Step 4: Simplify right side
    64.04x = 3,940.94
  5. Step 5: Solve for x
    x = 3,940.94/64.04
  6. Step 6: Final answer
    x = 61.54

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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.