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Finding the Fourth Proportional to 193.41, 267.03 and 123.51

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Solution

The fourth proportional to 193.41, 267.03 and 123.51 is: 170.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    193.41 : 267.03 = 123.51 : x
  2. Step 2: Convert to fraction form
    193.41/267.03 = 123.51/x
  3. Step 3: Cross multiply
    193.41x = 267.03 × 123.51
  4. Step 4: Simplify right side
    193.41x = 32,980.88
  5. Step 5: Solve for x
    x = 32,980.88/193.41
  6. Step 6: Final answer
    x = 170.52

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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.