Home / 1,226.14-1,838.94-360.25

Finding the Fourth Proportional to 1,226.14, 1,838.94 and 360.25

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Solution

The fourth proportional to 1,226.14, 1,838.94 and 360.25 is: 540.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226.14 : 1,838.94 = 360.25 : x
  2. Step 2: Convert to fraction form
    1,226.14/1,838.94 = 360.25/x
  3. Step 3: Cross multiply
    1,226.14x = 1,838.94 × 360.25
  4. Step 4: Simplify right side
    1,226.14x = 662,478.14
  5. Step 5: Solve for x
    x = 662,478.14/1,226.14
  6. Step 6: Final answer
    x = 540.30

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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.