Home / 1,337.20-2,005.50-363.44

Finding the Fourth Proportional to 1,337.20, 2,005.50 and 363.44

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Solution

The fourth proportional to 1,337.20, 2,005.50 and 363.44 is: 545.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337.20 : 2,005.50 = 363.44 : x
  2. Step 2: Convert to fraction form
    1,337.20/2,005.50 = 363.44/x
  3. Step 3: Cross multiply
    1,337.20x = 2,005.50 × 363.44
  4. Step 4: Simplify right side
    1,337.20x = 728,878.92
  5. Step 5: Solve for x
    x = 728,878.92/1,337.20
  6. Step 6: Final answer
    x = 545.08

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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.