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Finding the Fourth Proportional to 40.28, 60.08 and 35.24

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Solution

The fourth proportional to 40.28, 60.08 and 35.24 is: 52.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40.28 : 60.08 = 35.24 : x
  2. Step 2: Convert to fraction form
    40.28/60.08 = 35.24/x
  3. Step 3: Cross multiply
    40.28x = 60.08 × 35.24
  4. Step 4: Simplify right side
    40.28x = 2,117.22
  5. Step 5: Solve for x
    x = 2,117.22/40.28
  6. Step 6: Final answer
    x = 52.56

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.