Home / 740.00-1,109.91-192.17

Finding the Fourth Proportional to 740.00, 1,109.91 and 192.17

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Solution

The fourth proportional to 740.00, 1,109.91 and 192.17 is: 288.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    740.00 : 1,109.91 = 192.17 : x
  2. Step 2: Convert to fraction form
    740.00/1,109.91 = 192.17/x
  3. Step 3: Cross multiply
    740.00x = 1,109.91 × 192.17
  4. Step 4: Simplify right side
    740.00x = 213,286.93
  5. Step 5: Solve for x
    x = 213,286.93/740.00
  6. Step 6: Final answer
    x = 288.23

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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.