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Finding the Fourth Proportional to 197.25, 296.01 and 143.52

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Solution

The fourth proportional to 197.25, 296.01 and 143.52 is: 215.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    197.25 : 296.01 = 143.52 : x
  2. Step 2: Convert to fraction form
    197.25/296.01 = 143.52/x
  3. Step 3: Cross multiply
    197.25x = 296.01 × 143.52
  4. Step 4: Simplify right side
    197.25x = 42,483.36
  5. Step 5: Solve for x
    x = 42,483.36/197.25
  6. Step 6: Final answer
    x = 215.38

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