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Finding the Fourth Proportional to 2.37, 3.27 and 1.29

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Solution

The fourth proportional to 2.37, 3.27 and 1.29 is: 1.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2.37 : 3.27 = 1.29 : x
  2. Step 2: Convert to fraction form
    2.37/3.27 = 1.29/x
  3. Step 3: Cross multiply
    2.37x = 3.27 × 1.29
  4. Step 4: Simplify right side
    2.37x = 4.21
  5. Step 5: Solve for x
    x = 4.21/2.37
  6. Step 6: Final answer
    x = 1.78

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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.