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Finding the Fourth Proportional to 599.68, 898.64 and 426.68

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Solution

The fourth proportional to 599.68, 898.64 and 426.68 is: 639.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    599.68 : 898.64 = 426.68 : x
  2. Step 2: Convert to fraction form
    599.68/898.64 = 426.68/x
  3. Step 3: Cross multiply
    599.68x = 898.64 × 426.68
  4. Step 4: Simplify right side
    599.68x = 383,425.09
  5. Step 5: Solve for x
    x = 383,425.09/599.68
  6. Step 6: Final answer
    x = 639.39

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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.