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Finding the Fourth Proportional to 46.68, 64.44 and 27.27

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Solution

The fourth proportional to 46.68, 64.44 and 27.27 is: 37.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.68 : 64.44 = 27.27 : x
  2. Step 2: Convert to fraction form
    46.68/64.44 = 27.27/x
  3. Step 3: Cross multiply
    46.68x = 64.44 × 27.27
  4. Step 4: Simplify right side
    46.68x = 1,757.28
  5. Step 5: Solve for x
    x = 1,757.28/46.68
  6. Step 6: Final answer
    x = 37.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.