Home / 1,216.17-1,824.30-350.55

Finding the Fourth Proportional to 1,216.17, 1,824.30 and 350.55

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Solution

The fourth proportional to 1,216.17, 1,824.30 and 350.55 is: 525.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216.17 : 1,824.30 = 350.55 : x
  2. Step 2: Convert to fraction form
    1,216.17/1,824.30 = 350.55/x
  3. Step 3: Cross multiply
    1,216.17x = 1,824.30 × 350.55
  4. Step 4: Simplify right side
    1,216.17x = 639,508.37
  5. Step 5: Solve for x
    x = 639,508.37/1,216.17
  6. Step 6: Final answer
    x = 525.84

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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.