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Finding the Fourth Proportional to 945.28, 1,418.33 and 599.01

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Solution

The fourth proportional to 945.28, 1,418.33 and 599.01 is: 898.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    945.28 : 1,418.33 = 599.01 : x
  2. Step 2: Convert to fraction form
    945.28/1,418.33 = 599.01/x
  3. Step 3: Cross multiply
    945.28x = 1,418.33 × 599.01
  4. Step 4: Simplify right side
    945.28x = 849,593.85
  5. Step 5: Solve for x
    x = 849,593.85/945.28
  6. Step 6: Final answer
    x = 898.77

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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.