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Finding the Fourth Proportional to 195.44, 292.44 and 177.20

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Solution

The fourth proportional to 195.44, 292.44 and 177.20 is: 265.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.44 : 292.44 = 177.20 : x
  2. Step 2: Convert to fraction form
    195.44/292.44 = 177.20/x
  3. Step 3: Cross multiply
    195.44x = 292.44 × 177.20
  4. Step 4: Simplify right side
    195.44x = 51,820.37
  5. Step 5: Solve for x
    x = 51,820.37/195.44
  6. Step 6: Final answer
    x = 265.15

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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.