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Finding the Fourth Proportional to 727.95, 1,089.36 and 596.37

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Solution

The fourth proportional to 727.95, 1,089.36 and 596.37 is: 892.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    727.95 : 1,089.36 = 596.37 : x
  2. Step 2: Convert to fraction form
    727.95/1,089.36 = 596.37/x
  3. Step 3: Cross multiply
    727.95x = 1,089.36 × 596.37
  4. Step 4: Simplify right side
    727.95x = 649,661.62
  5. Step 5: Solve for x
    x = 649,661.62/727.95
  6. Step 6: Final answer
    x = 892.45

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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.