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Finding the Fourth Proportional to 41.94, 62.63 and 40.98

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Solution

The fourth proportional to 41.94, 62.63 and 40.98 is: 61.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.94 : 62.63 = 40.98 : x
  2. Step 2: Convert to fraction form
    41.94/62.63 = 40.98/x
  3. Step 3: Cross multiply
    41.94x = 62.63 × 40.98
  4. Step 4: Simplify right side
    41.94x = 2,566.37
  5. Step 5: Solve for x
    x = 2,566.37/41.94
  6. Step 6: Final answer
    x = 61.19

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.