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Finding the Fourth Proportional to 445.87, 614.03 and 436.33

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Solution

The fourth proportional to 445.87, 614.03 and 436.33 is: 600.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    445.87 : 614.03 = 436.33 : x
  2. Step 2: Convert to fraction form
    445.87/614.03 = 436.33/x
  3. Step 3: Cross multiply
    445.87x = 614.03 × 436.33
  4. Step 4: Simplify right side
    445.87x = 267,916.07
  5. Step 5: Solve for x
    x = 267,916.07/445.87
  6. Step 6: Final answer
    x = 600.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.