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Finding the Fourth Proportional to 29.60, 40.83 and 23.04

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Solution

The fourth proportional to 29.60, 40.83 and 23.04 is: 31.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.60 : 40.83 = 23.04 : x
  2. Step 2: Convert to fraction form
    29.60/40.83 = 23.04/x
  3. Step 3: Cross multiply
    29.60x = 40.83 × 23.04
  4. Step 4: Simplify right side
    29.60x = 940.72
  5. Step 5: Solve for x
    x = 940.72/29.60
  6. Step 6: Final answer
    x = 31.78

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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.