Home / 1,223.06-1,834.58-298.61

Finding the Fourth Proportional to 1,223.06, 1,834.58 and 298.61

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Solution

The fourth proportional to 1,223.06, 1,834.58 and 298.61 is: 447.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223.06 : 1,834.58 = 298.61 : x
  2. Step 2: Convert to fraction form
    1,223.06/1,834.58 = 298.61/x
  3. Step 3: Cross multiply
    1,223.06x = 1,834.58 × 298.61
  4. Step 4: Simplify right side
    1,223.06x = 547,813.27
  5. Step 5: Solve for x
    x = 547,813.27/1,223.06
  6. Step 6: Final answer
    x = 447.91

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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.