Home / 740.19-1,110.57-252.96

Finding the Fourth Proportional to 740.19, 1,110.57 and 252.96

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Solution

The fourth proportional to 740.19, 1,110.57 and 252.96 is: 379.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    740.19 : 1,110.57 = 252.96 : x
  2. Step 2: Convert to fraction form
    740.19/1,110.57 = 252.96/x
  3. Step 3: Cross multiply
    740.19x = 1,110.57 × 252.96
  4. Step 4: Simplify right side
    740.19x = 280,929.79
  5. Step 5: Solve for x
    x = 280,929.79/740.19
  6. Step 6: Final answer
    x = 379.54

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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.