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Finding the Fourth Proportional to 195.57, 293.30 and 135.09

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Solution

The fourth proportional to 195.57, 293.30 and 135.09 is: 202.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.57 : 293.30 = 135.09 : x
  2. Step 2: Convert to fraction form
    195.57/293.30 = 135.09/x
  3. Step 3: Cross multiply
    195.57x = 293.30 × 135.09
  4. Step 4: Simplify right side
    195.57x = 39,621.22
  5. Step 5: Solve for x
    x = 39,621.22/195.57
  6. Step 6: Final answer
    x = 202.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.