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Finding the Fourth Proportional to 45.26, 62.44 and 29.50

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Solution

The fourth proportional to 45.26, 62.44 and 29.50 is: 40.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    45.26 : 62.44 = 29.50 : x
  2. Step 2: Convert to fraction form
    45.26/62.44 = 29.50/x
  3. Step 3: Cross multiply
    45.26x = 62.44 × 29.50
  4. Step 4: Simplify right side
    45.26x = 1,841.98
  5. Step 5: Solve for x
    x = 1,841.98/45.26
  6. Step 6: Final answer
    x = 40.70

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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.