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Finding the Fourth Proportional to 94.54, 141.50 and 48.82

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Solution

The fourth proportional to 94.54, 141.50 and 48.82 is: 73.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.54 : 141.50 = 48.82 : x
  2. Step 2: Convert to fraction form
    94.54/141.50 = 48.82/x
  3. Step 3: Cross multiply
    94.54x = 141.50 × 48.82
  4. Step 4: Simplify right side
    94.54x = 6,908.15
  5. Step 5: Solve for x
    x = 6,908.15/94.54
  6. Step 6: Final answer
    x = 73.08

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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.