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Finding the Fourth Proportional to 44.76, 67.10 and 44.26

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Solution

The fourth proportional to 44.76, 67.10 and 44.26 is: 66.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.76 : 67.10 = 44.26 : x
  2. Step 2: Convert to fraction form
    44.76/67.10 = 44.26/x
  3. Step 3: Cross multiply
    44.76x = 67.10 × 44.26
  4. Step 4: Simplify right side
    44.76x = 2,969.79
  5. Step 5: Solve for x
    x = 2,969.79/44.76
  6. Step 6: Final answer
    x = 66.35

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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.