Home / 1,192.52-1,788.36-359.34

Finding the Fourth Proportional to 1,192.52, 1,788.36 and 359.34

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Solution

The fourth proportional to 1,192.52, 1,788.36 and 359.34 is: 538.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192.52 : 1,788.36 = 359.34 : x
  2. Step 2: Convert to fraction form
    1,192.52/1,788.36 = 359.34/x
  3. Step 3: Cross multiply
    1,192.52x = 1,788.36 × 359.34
  4. Step 4: Simplify right side
    1,192.52x = 642,629.28
  5. Step 5: Solve for x
    x = 642,629.28/1,192.52
  6. Step 6: Final answer
    x = 538.88

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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.