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Finding the Fourth Proportional to 44.80, 67.67 and 44.80

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Solution

The fourth proportional to 44.80, 67.67 and 44.80 is: 67.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.80 : 67.67 = 44.80 : x
  2. Step 2: Convert to fraction form
    44.80/67.67 = 44.80/x
  3. Step 3: Cross multiply
    44.80x = 67.67 × 44.80
  4. Step 4: Simplify right side
    44.80x = 3,031.77
  5. Step 5: Solve for x
    x = 3,031.77/44.80
  6. Step 6: Final answer
    x = 67.67

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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.