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Finding the Fourth Proportional to 536.33, 804.41 and 207.42

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Solution

The fourth proportional to 536.33, 804.41 and 207.42 is: 311.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    536.33 : 804.41 = 207.42 : x
  2. Step 2: Convert to fraction form
    536.33/804.41 = 207.42/x
  3. Step 3: Cross multiply
    536.33x = 804.41 × 207.42
  4. Step 4: Simplify right side
    536.33x = 166,850.24
  5. Step 5: Solve for x
    x = 166,850.24/536.33
  6. Step 6: Final answer
    x = 311.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.