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Finding the Fourth Proportional to 536.11, 739.95 and 349.27

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Solution

The fourth proportional to 536.11, 739.95 and 349.27 is: 482.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    536.11 : 739.95 = 349.27 : x
  2. Step 2: Convert to fraction form
    536.11/739.95 = 349.27/x
  3. Step 3: Cross multiply
    536.11x = 739.95 × 349.27
  4. Step 4: Simplify right side
    536.11x = 258,442.34
  5. Step 5: Solve for x
    x = 258,442.34/536.11
  6. Step 6: Final answer
    x = 482.07

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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.