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Finding the Fourth Proportional to 193.18, 290.02 and 125.01

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Solution

The fourth proportional to 193.18, 290.02 and 125.01 is: 187.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    193.18 : 290.02 = 125.01 : x
  2. Step 2: Convert to fraction form
    193.18/290.02 = 125.01/x
  3. Step 3: Cross multiply
    193.18x = 290.02 × 125.01
  4. Step 4: Simplify right side
    193.18x = 36,255.40
  5. Step 5: Solve for x
    x = 36,255.40/193.18
  6. Step 6: Final answer
    x = 187.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.