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Finding the Fourth Proportional to 450.87, 625.12 and 426.26

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Solution

The fourth proportional to 450.87, 625.12 and 426.26 is: 591.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    450.87 : 625.12 = 426.26 : x
  2. Step 2: Convert to fraction form
    450.87/625.12 = 426.26/x
  3. Step 3: Cross multiply
    450.87x = 625.12 × 426.26
  4. Step 4: Simplify right side
    450.87x = 266,464.15
  5. Step 5: Solve for x
    x = 266,464.15/450.87
  6. Step 6: Final answer
    x = 591.00

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.