Home / 1,179.36-1,769.31-358.02

Finding the Fourth Proportional to 1,179.36, 1,769.31 and 358.02

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Solution

The fourth proportional to 1,179.36, 1,769.31 and 358.02 is: 537.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179.36 : 1,769.31 = 358.02 : x
  2. Step 2: Convert to fraction form
    1,179.36/1,769.31 = 358.02/x
  3. Step 3: Cross multiply
    1,179.36x = 1,769.31 × 358.02
  4. Step 4: Simplify right side
    1,179.36x = 633,448.37
  5. Step 5: Solve for x
    x = 633,448.37/1,179.36
  6. Step 6: Final answer
    x = 537.11

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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.