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Finding the Fourth Proportional to 436.93, 654.99 and 300.04

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Solution

The fourth proportional to 436.93, 654.99 and 300.04 is: 449.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    436.93 : 654.99 = 300.04 : x
  2. Step 2: Convert to fraction form
    436.93/654.99 = 300.04/x
  3. Step 3: Cross multiply
    436.93x = 654.99 × 300.04
  4. Step 4: Simplify right side
    436.93x = 196,523.20
  5. Step 5: Solve for x
    x = 196,523.20/436.93
  6. Step 6: Final answer
    x = 449.78

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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.