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Finding the Fourth Proportional to 444.99, 667 and 357.91

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Solution

The fourth proportional to 444.99, 667 and 357.91 is: 536.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.99 : 667 = 357.91 : x
  2. Step 2: Convert to fraction form
    444.99/667 = 357.91/x
  3. Step 3: Cross multiply
    444.99x = 667 × 357.91
  4. Step 4: Simplify right side
    444.99x = 238,725.97
  5. Step 5: Solve for x
    x = 238,725.97/444.99
  6. Step 6: Final answer
    x = 536.47

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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.