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Finding the Fourth Proportional to 35.24, 53.15 and 33.56

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Solution

The fourth proportional to 35.24, 53.15 and 33.56 is: 50.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.24 : 53.15 = 33.56 : x
  2. Step 2: Convert to fraction form
    35.24/53.15 = 33.56/x
  3. Step 3: Cross multiply
    35.24x = 53.15 × 33.56
  4. Step 4: Simplify right side
    35.24x = 1,783.71
  5. Step 5: Solve for x
    x = 1,783.71/35.24
  6. Step 6: Final answer
    x = 50.62

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.