Home / 1,192.25-1,788.60-370.34

Finding the Fourth Proportional to 1,192.25, 1,788.60 and 370.34

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Solution

The fourth proportional to 1,192.25, 1,788.60 and 370.34 is: 555.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192.25 : 1,788.60 = 370.34 : x
  2. Step 2: Convert to fraction form
    1,192.25/1,788.60 = 370.34/x
  3. Step 3: Cross multiply
    1,192.25x = 1,788.60 × 370.34
  4. Step 4: Simplify right side
    1,192.25x = 662,389.28
  5. Step 5: Solve for x
    x = 662,389.28/1,192.25
  6. Step 6: Final answer
    x = 555.58

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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.