Home / 740.24-1,110.39-192.43

Finding the Fourth Proportional to 740.24, 1,110.39 and 192.43

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Solution

The fourth proportional to 740.24, 1,110.39 and 192.43 is: 288.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    740.24 : 1,110.39 = 192.43 : x
  2. Step 2: Convert to fraction form
    740.24/1,110.39 = 192.43/x
  3. Step 3: Cross multiply
    740.24x = 1,110.39 × 192.43
  4. Step 4: Simplify right side
    740.24x = 213,672.35
  5. Step 5: Solve for x
    x = 213,672.35/740.24
  6. Step 6: Final answer
    x = 288.65

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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.