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Finding the Fourth Proportional to 193.50, 267.06 and 146.94

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Solution

The fourth proportional to 193.50, 267.06 and 146.94 is: 202.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    193.50 : 267.06 = 146.94 : x
  2. Step 2: Convert to fraction form
    193.50/267.06 = 146.94/x
  3. Step 3: Cross multiply
    193.50x = 267.06 × 146.94
  4. Step 4: Simplify right side
    193.50x = 39,241.80
  5. Step 5: Solve for x
    x = 39,241.80/193.50
  6. Step 6: Final answer
    x = 202.80

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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.