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Finding the Fourth Proportional to 35.56, 53.16 and 33.04

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Solution

The fourth proportional to 35.56, 53.16 and 33.04 is: 49.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.56 : 53.16 = 33.04 : x
  2. Step 2: Convert to fraction form
    35.56/53.16 = 33.04/x
  3. Step 3: Cross multiply
    35.56x = 53.16 × 33.04
  4. Step 4: Simplify right side
    35.56x = 1,756.41
  5. Step 5: Solve for x
    x = 1,756.41/35.56
  6. Step 6: Final answer
    x = 49.39

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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.