Home / 1,344.32-2,016.53-370.50

Finding the Fourth Proportional to 1,344.32, 2,016.53 and 370.50

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Solution

The fourth proportional to 1,344.32, 2,016.53 and 370.50 is: 555.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344.32 : 2,016.53 = 370.50 : x
  2. Step 2: Convert to fraction form
    1,344.32/2,016.53 = 370.50/x
  3. Step 3: Cross multiply
    1,344.32x = 2,016.53 × 370.50
  4. Step 4: Simplify right side
    1,344.32x = 747,116.34
  5. Step 5: Solve for x
    x = 747,116.34/1,344.32
  6. Step 6: Final answer
    x = 555.76

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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.