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Finding the Fourth Proportional to 537.05, 739.98 and 362.09

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Solution

The fourth proportional to 537.05, 739.98 and 362.09 is: 498.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    537.05 : 739.98 = 362.09 : x
  2. Step 2: Convert to fraction form
    537.05/739.98 = 362.09/x
  3. Step 3: Cross multiply
    537.05x = 739.98 × 362.09
  4. Step 4: Simplify right side
    537.05x = 267,935.66
  5. Step 5: Solve for x
    x = 267,935.66/537.05
  6. Step 6: Final answer
    x = 498.91

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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.