Home / 1,344.24-2,016.36-370.22

Finding the Fourth Proportional to 1,344.24, 2,016.36 and 370.22

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Solution

The fourth proportional to 1,344.24, 2,016.36 and 370.22 is: 555.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344.24 : 2,016.36 = 370.22 : x
  2. Step 2: Convert to fraction form
    1,344.24/2,016.36 = 370.22/x
  3. Step 3: Cross multiply
    1,344.24x = 2,016.36 × 370.22
  4. Step 4: Simplify right side
    1,344.24x = 746,486.72
  5. Step 5: Solve for x
    x = 746,486.72/1,344.24
  6. Step 6: Final answer
    x = 555.32

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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.