Home / 727.07-1,090.60-179.26

Finding the Fourth Proportional to 727.07, 1,090.60 and 179.26

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Solution

The fourth proportional to 727.07, 1,090.60 and 179.26 is: 268.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    727.07 : 1,090.60 = 179.26 : x
  2. Step 2: Convert to fraction form
    727.07/1,090.60 = 179.26/x
  3. Step 3: Cross multiply
    727.07x = 1,090.60 × 179.26
  4. Step 4: Simplify right side
    727.07x = 195,501.40
  5. Step 5: Solve for x
    x = 195,501.40/727.07
  6. Step 6: Final answer
    x = 268.89

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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.