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Finding the Fourth Proportional to 596.18, 889.31 and 499.30

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Solution

The fourth proportional to 596.18, 889.31 and 499.30 is: 744.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    596.18 : 889.31 = 499.30 : x
  2. Step 2: Convert to fraction form
    596.18/889.31 = 499.30/x
  3. Step 3: Cross multiply
    596.18x = 889.31 × 499.30
  4. Step 4: Simplify right side
    596.18x = 444,033.70
  5. Step 5: Solve for x
    x = 444,033.70/596.18
  6. Step 6: Final answer
    x = 744.80

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.