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Finding the Fourth Proportional to 94.41, 141.50 and 48.65

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Solution

The fourth proportional to 94.41, 141.50 and 48.65 is: 72.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.41 : 141.50 = 48.65 : x
  2. Step 2: Convert to fraction form
    94.41/141.50 = 48.65/x
  3. Step 3: Cross multiply
    94.41x = 141.50 × 48.65
  4. Step 4: Simplify right side
    94.41x = 6,883.02
  5. Step 5: Solve for x
    x = 6,883.02/94.41
  6. Step 6: Final answer
    x = 72.91

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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.