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Finding the Fourth Proportional to 655.49, 982.53 and 450.16

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Solution

The fourth proportional to 655.49, 982.53 and 450.16 is: 674.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    655.49 : 982.53 = 450.16 : x
  2. Step 2: Convert to fraction form
    655.49/982.53 = 450.16/x
  3. Step 3: Cross multiply
    655.49x = 982.53 × 450.16
  4. Step 4: Simplify right side
    655.49x = 442,293.25
  5. Step 5: Solve for x
    x = 442,293.25/655.49
  6. Step 6: Final answer
    x = 674.75

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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.