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Finding the Fourth Proportional to 41.30, 56.97 and 29.63

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Solution

The fourth proportional to 41.30, 56.97 and 29.63 is: 40.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.30 : 56.97 = 29.63 : x
  2. Step 2: Convert to fraction form
    41.30/56.97 = 29.63/x
  3. Step 3: Cross multiply
    41.30x = 56.97 × 29.63
  4. Step 4: Simplify right side
    41.30x = 1,688.02
  5. Step 5: Solve for x
    x = 1,688.02/41.30
  6. Step 6: Final answer
    x = 40.87

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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.