Home / 1,216.38-1,824.66-350.70

Finding the Fourth Proportional to 1,216.38, 1,824.66 and 350.70

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Solution

The fourth proportional to 1,216.38, 1,824.66 and 350.70 is: 526.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216.38 : 1,824.66 = 350.70 : x
  2. Step 2: Convert to fraction form
    1,216.38/1,824.66 = 350.70/x
  3. Step 3: Cross multiply
    1,216.38x = 1,824.66 × 350.70
  4. Step 4: Simplify right side
    1,216.38x = 639,908.26
  5. Step 5: Solve for x
    x = 639,908.26/1,216.38
  6. Step 6: Final answer
    x = 526.08

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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.