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Finding the Fourth Proportional to 449.02, 672.50 and 367.69

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Solution

The fourth proportional to 449.02, 672.50 and 367.69 is: 550.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    449.02 : 672.50 = 367.69 : x
  2. Step 2: Convert to fraction form
    449.02/672.50 = 367.69/x
  3. Step 3: Cross multiply
    449.02x = 672.50 × 367.69
  4. Step 4: Simplify right side
    449.02x = 247,272.02
  5. Step 5: Solve for x
    x = 247,272.02/449.02
  6. Step 6: Final answer
    x = 550.69

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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.