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Finding the Fourth Proportional to 444.28, 666.76 and 357.82

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Solution

The fourth proportional to 444.28, 666.76 and 357.82 is: 537.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.28 : 666.76 = 357.82 : x
  2. Step 2: Convert to fraction form
    444.28/666.76 = 357.82/x
  3. Step 3: Cross multiply
    444.28x = 666.76 × 357.82
  4. Step 4: Simplify right side
    444.28x = 238,581.73
  5. Step 5: Solve for x
    x = 238,581.73/444.28
  6. Step 6: Final answer
    x = 537.00

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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.