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Finding the Fourth Proportional to 195.14, 292.47 and 148.52

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Solution

The fourth proportional to 195.14, 292.47 and 148.52 is: 222.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.14 : 292.47 = 148.52 : x
  2. Step 2: Convert to fraction form
    195.14/292.47 = 148.52/x
  3. Step 3: Cross multiply
    195.14x = 292.47 × 148.52
  4. Step 4: Simplify right side
    195.14x = 43,437.28
  5. Step 5: Solve for x
    x = 43,437.28/195.14
  6. Step 6: Final answer
    x = 222.59

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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.