Home / 1,150.14-1,724.94-328.26

Finding the Fourth Proportional to 1,150.14, 1,724.94 and 328.26

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Solution

The fourth proportional to 1,150.14, 1,724.94 and 328.26 is: 492.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150.14 : 1,724.94 = 328.26 : x
  2. Step 2: Convert to fraction form
    1,150.14/1,724.94 = 328.26/x
  3. Step 3: Cross multiply
    1,150.14x = 1,724.94 × 328.26
  4. Step 4: Simplify right side
    1,150.14x = 566,228.80
  5. Step 5: Solve for x
    x = 566,228.80/1,150.14
  6. Step 6: Final answer
    x = 492.31

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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.