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Finding the Fourth Proportional to 541.36, 809.86 and 450.24

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Solution

The fourth proportional to 541.36, 809.86 and 450.24 is: 673.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    541.36 : 809.86 = 450.24 : x
  2. Step 2: Convert to fraction form
    541.36/809.86 = 450.24/x
  3. Step 3: Cross multiply
    541.36x = 809.86 × 450.24
  4. Step 4: Simplify right side
    541.36x = 364,631.37
  5. Step 5: Solve for x
    x = 364,631.37/541.36
  6. Step 6: Final answer
    x = 673.55

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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.