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Finding the Fourth Proportional to 599.68, 901.37 and 438.09

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Solution

The fourth proportional to 599.68, 901.37 and 438.09 is: 658.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    599.68 : 901.37 = 438.09 : x
  2. Step 2: Convert to fraction form
    599.68/901.37 = 438.09/x
  3. Step 3: Cross multiply
    599.68x = 901.37 × 438.09
  4. Step 4: Simplify right side
    599.68x = 394,881.18
  5. Step 5: Solve for x
    x = 394,881.18/599.68
  6. Step 6: Final answer
    x = 658.49

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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.