Home / 1,223.25-1,834.88-298.81

Finding the Fourth Proportional to 1,223.25, 1,834.88 and 298.81

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Solution

The fourth proportional to 1,223.25, 1,834.88 and 298.81 is: 448.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223.25 : 1,834.88 = 298.81 : x
  2. Step 2: Convert to fraction form
    1,223.25/1,834.88 = 298.81/x
  3. Step 3: Cross multiply
    1,223.25x = 1,834.88 × 298.81
  4. Step 4: Simplify right side
    1,223.25x = 548,279.00
  5. Step 5: Solve for x
    x = 548,279.00/1,223.25
  6. Step 6: Final answer
    x = 448.22

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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.