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Finding the Fourth Proportional to 47.08, 70.91 and 44.84

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Solution

The fourth proportional to 47.08, 70.91 and 44.84 is: 67.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    47.08 : 70.91 = 44.84 : x
  2. Step 2: Convert to fraction form
    47.08/70.91 = 44.84/x
  3. Step 3: Cross multiply
    47.08x = 70.91 × 44.84
  4. Step 4: Simplify right side
    47.08x = 3,179.60
  5. Step 5: Solve for x
    x = 3,179.60/47.08
  6. Step 6: Final answer
    x = 67.54

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.