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Finding the Fourth Proportional to 591.22, 888.02 and 453.78

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Solution

The fourth proportional to 591.22, 888.02 and 453.78 is: 681.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.22 : 888.02 = 453.78 : x
  2. Step 2: Convert to fraction form
    591.22/888.02 = 453.78/x
  3. Step 3: Cross multiply
    591.22x = 888.02 × 453.78
  4. Step 4: Simplify right side
    591.22x = 402,965.72
  5. Step 5: Solve for x
    x = 402,965.72/591.22
  6. Step 6: Final answer
    x = 681.58

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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.