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Finding the Fourth Proportional to 450.26, 613.02 and 448.86

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Solution

The fourth proportional to 450.26, 613.02 and 448.86 is: 611.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    450.26 : 613.02 = 448.86 : x
  2. Step 2: Convert to fraction form
    450.26/613.02 = 448.86/x
  3. Step 3: Cross multiply
    450.26x = 613.02 × 448.86
  4. Step 4: Simplify right side
    450.26x = 275,160.16
  5. Step 5: Solve for x
    x = 275,160.16/450.26
  6. Step 6: Final answer
    x = 611.11

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.