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Finding the Fourth Proportional to 536.29, 804.45 and 171.11

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Solution

The fourth proportional to 536.29, 804.45 and 171.11 is: 256.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    536.29 : 804.45 = 171.11 : x
  2. Step 2: Convert to fraction form
    536.29/804.45 = 171.11/x
  3. Step 3: Cross multiply
    536.29x = 804.45 × 171.11
  4. Step 4: Simplify right side
    536.29x = 137,645.42
  5. Step 5: Solve for x
    x = 137,645.42/536.29
  6. Step 6: Final answer
    x = 256.66

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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.