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Finding the Fourth Proportional to 591.26, 881.89 and 499.32

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Solution

The fourth proportional to 591.26, 881.89 and 499.32 is: 744.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.26 : 881.89 = 499.32 : x
  2. Step 2: Convert to fraction form
    591.26/881.89 = 499.32/x
  3. Step 3: Cross multiply
    591.26x = 881.89 × 499.32
  4. Step 4: Simplify right side
    591.26x = 440,344.07
  5. Step 5: Solve for x
    x = 440,344.07/591.26
  6. Step 6: Final answer
    x = 744.76

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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.