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Finding the Fourth Proportional to 362.02, 499.56 and 206.76

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Solution

The fourth proportional to 362.02, 499.56 and 206.76 is: 285.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.02 : 499.56 = 206.76 : x
  2. Step 2: Convert to fraction form
    362.02/499.56 = 206.76/x
  3. Step 3: Cross multiply
    362.02x = 499.56 × 206.76
  4. Step 4: Simplify right side
    362.02x = 103,289.03
  5. Step 5: Solve for x
    x = 103,289.03/362.02
  6. Step 6: Final answer
    x = 285.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.