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Finding the Fourth Proportional to 444.89, 669.80 and 347.91

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Solution

The fourth proportional to 444.89, 669.80 and 347.91 is: 523.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.89 : 669.80 = 347.91 : x
  2. Step 2: Convert to fraction form
    444.89/669.80 = 347.91/x
  3. Step 3: Cross multiply
    444.89x = 669.80 × 347.91
  4. Step 4: Simplify right side
    444.89x = 233,028.38
  5. Step 5: Solve for x
    x = 233,028.38/444.89
  6. Step 6: Final answer
    x = 523.79

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.