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Finding the Fourth Proportional to 94.18, 141.30 and 33.32

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Solution

The fourth proportional to 94.18, 141.30 and 33.32 is: 49.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.18 : 141.30 = 33.32 : x
  2. Step 2: Convert to fraction form
    94.18/141.30 = 33.32/x
  3. Step 3: Cross multiply
    94.18x = 141.30 × 33.32
  4. Step 4: Simplify right side
    94.18x = 4,707.95
  5. Step 5: Solve for x
    x = 4,707.95/94.18
  6. Step 6: Final answer
    x = 49.99

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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.