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Finding the Fourth Proportional to 201.04, 277.52 and 151.19

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Solution

The fourth proportional to 201.04, 277.52 and 151.19 is: 208.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    201.04 : 277.52 = 151.19 : x
  2. Step 2: Convert to fraction form
    201.04/277.52 = 151.19/x
  3. Step 3: Cross multiply
    201.04x = 277.52 × 151.19
  4. Step 4: Simplify right side
    201.04x = 41,958.25
  5. Step 5: Solve for x
    x = 41,958.25/201.04
  6. Step 6: Final answer
    x = 208.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.