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Finding the Fourth Proportional to 44.06, 66.10 and 32.64

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Solution

The fourth proportional to 44.06, 66.10 and 32.64 is: 48.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.06 : 66.10 = 32.64 : x
  2. Step 2: Convert to fraction form
    44.06/66.10 = 32.64/x
  3. Step 3: Cross multiply
    44.06x = 66.10 × 32.64
  4. Step 4: Simplify right side
    44.06x = 2,157.50
  5. Step 5: Solve for x
    x = 2,157.50/44.06
  6. Step 6: Final answer
    x = 48.97

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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.