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Finding the Fourth Proportional to 141.93, 195.35 and 133.83

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Solution

The fourth proportional to 141.93, 195.35 and 133.83 is: 184.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    141.93 : 195.35 = 133.83 : x
  2. Step 2: Convert to fraction form
    141.93/195.35 = 133.83/x
  3. Step 3: Cross multiply
    141.93x = 195.35 × 133.83
  4. Step 4: Simplify right side
    141.93x = 26,143.02
  5. Step 5: Solve for x
    x = 26,143.02/141.93
  6. Step 6: Final answer
    x = 184.20

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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.