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Finding the Fourth Proportional to 596.07, 822.80 and 449.13

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Solution

The fourth proportional to 596.07, 822.80 and 449.13 is: 619.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    596.07 : 822.80 = 449.13 : x
  2. Step 2: Convert to fraction form
    596.07/822.80 = 449.13/x
  3. Step 3: Cross multiply
    596.07x = 822.80 × 449.13
  4. Step 4: Simplify right side
    596.07x = 369,544.16
  5. Step 5: Solve for x
    x = 369,544.16/596.07
  6. Step 6: Final answer
    x = 619.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.