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Finding the Fourth Proportional to 444.67, 667.33 and 359.03

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Solution

The fourth proportional to 444.67, 667.33 and 359.03 is: 538.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.67 : 667.33 = 359.03 : x
  2. Step 2: Convert to fraction form
    444.67/667.33 = 359.03/x
  3. Step 3: Cross multiply
    444.67x = 667.33 × 359.03
  4. Step 4: Simplify right side
    444.67x = 239,587.26
  5. Step 5: Solve for x
    x = 239,587.26/444.67
  6. Step 6: Final answer
    x = 538.80

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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.