Home / 1,236.03-1,853.75-358.35

Finding the Fourth Proportional to 1,236.03, 1,853.75 and 358.35

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Solution

The fourth proportional to 1,236.03, 1,853.75 and 358.35 is: 537.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236.03 : 1,853.75 = 358.35 : x
  2. Step 2: Convert to fraction form
    1,236.03/1,853.75 = 358.35/x
  3. Step 3: Cross multiply
    1,236.03x = 1,853.75 × 358.35
  4. Step 4: Simplify right side
    1,236.03x = 664,288.96
  5. Step 5: Solve for x
    x = 664,288.96/1,236.03
  6. Step 6: Final answer
    x = 537.44

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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.