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Finding the Fourth Proportional to 362.73, 540.18 and 339.37

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Solution

The fourth proportional to 362.73, 540.18 and 339.37 is: 505.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.73 : 540.18 = 339.37 : x
  2. Step 2: Convert to fraction form
    362.73/540.18 = 339.37/x
  3. Step 3: Cross multiply
    362.73x = 540.18 × 339.37
  4. Step 4: Simplify right side
    362.73x = 183,320.89
  5. Step 5: Solve for x
    x = 183,320.89/362.73
  6. Step 6: Final answer
    x = 505.39

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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.