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Finding the Fourth Proportional to 1,484.80, 2,226.44 and 497.26

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Solution

The fourth proportional to 1,484.80, 2,226.44 and 497.26 is: 745.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,484.80 : 2,226.44 = 497.26 : x
  2. Step 2: Convert to fraction form
    1,484.80/2,226.44 = 497.26/x
  3. Step 3: Cross multiply
    1,484.80x = 2,226.44 × 497.26
  4. Step 4: Simplify right side
    1,484.80x = 1,107,105.94
  5. Step 5: Solve for x
    x = 1,107,105.94/1,484.80
  6. Step 6: Final answer
    x = 745.63

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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.