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Finding the Fourth Proportional to 35.58, 53.09 and 33.27

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Solution

The fourth proportional to 35.58, 53.09 and 33.27 is: 49.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.58 : 53.09 = 33.27 : x
  2. Step 2: Convert to fraction form
    35.58/53.09 = 33.27/x
  3. Step 3: Cross multiply
    35.58x = 53.09 × 33.27
  4. Step 4: Simplify right side
    35.58x = 1,766.14
  5. Step 5: Solve for x
    x = 1,766.14/35.58
  6. Step 6: Final answer
    x = 49.64

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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.