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Finding the Fourth Proportional to 362.03, 539.99 and 303.57

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Solution

The fourth proportional to 362.03, 539.99 and 303.57 is: 452.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.03 : 539.99 = 303.57 : x
  2. Step 2: Convert to fraction form
    362.03/539.99 = 303.57/x
  3. Step 3: Cross multiply
    362.03x = 539.99 × 303.57
  4. Step 4: Simplify right side
    362.03x = 163,924.76
  5. Step 5: Solve for x
    x = 163,924.76/362.03
  6. Step 6: Final answer
    x = 452.79

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.