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Finding the Fourth Proportional to 193.06, 267.57 and 190.18

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Solution

The fourth proportional to 193.06, 267.57 and 190.18 is: 263.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    193.06 : 267.57 = 190.18 : x
  2. Step 2: Convert to fraction form
    193.06/267.57 = 190.18/x
  3. Step 3: Cross multiply
    193.06x = 267.57 × 190.18
  4. Step 4: Simplify right side
    193.06x = 50,886.46
  5. Step 5: Solve for x
    x = 50,886.46/193.06
  6. Step 6: Final answer
    x = 263.58

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.