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Finding the Fourth Proportional to 193.08, 267.18 and 167.16

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Solution

The fourth proportional to 193.08, 267.18 and 167.16 is: 231.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    193.08 : 267.18 = 167.16 : x
  2. Step 2: Convert to fraction form
    193.08/267.18 = 167.16/x
  3. Step 3: Cross multiply
    193.08x = 267.18 × 167.16
  4. Step 4: Simplify right side
    193.08x = 44,661.81
  5. Step 5: Solve for x
    x = 44,661.81/193.08
  6. Step 6: Final answer
    x = 231.31

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