Home / 740.15-1,110.14-192.33

Finding the Fourth Proportional to 740.15, 1,110.14 and 192.33

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Solution

The fourth proportional to 740.15, 1,110.14 and 192.33 is: 288.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    740.15 : 1,110.14 = 192.33 : x
  2. Step 2: Convert to fraction form
    740.15/1,110.14 = 192.33/x
  3. Step 3: Cross multiply
    740.15x = 1,110.14 × 192.33
  4. Step 4: Simplify right side
    740.15x = 213,512.26
  5. Step 5: Solve for x
    x = 213,512.26/740.15
  6. Step 6: Final answer
    x = 288.47

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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.