Home / 1,228.14-1,841.94-362.25

Finding the Fourth Proportional to 1,228.14, 1,841.94 and 362.25

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Solution

The fourth proportional to 1,228.14, 1,841.94 and 362.25 is: 543.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228.14 : 1,841.94 = 362.25 : x
  2. Step 2: Convert to fraction form
    1,228.14/1,841.94 = 362.25/x
  3. Step 3: Cross multiply
    1,228.14x = 1,841.94 × 362.25
  4. Step 4: Simplify right side
    1,228.14x = 667,242.77
  5. Step 5: Solve for x
    x = 667,242.77/1,228.14
  6. Step 6: Final answer
    x = 543.30

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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.