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Finding the Fourth Proportional to 450.63, 620.55 and 441.45

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Solution

The fourth proportional to 450.63, 620.55 and 441.45 is: 607.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    450.63 : 620.55 = 441.45 : x
  2. Step 2: Convert to fraction form
    450.63/620.55 = 441.45/x
  3. Step 3: Cross multiply
    450.63x = 620.55 × 441.45
  4. Step 4: Simplify right side
    450.63x = 273,941.80
  5. Step 5: Solve for x
    x = 273,941.80/450.63
  6. Step 6: Final answer
    x = 607.91

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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.