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Finding the Fourth Proportional to 536.71, 805.05 and 171.52

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Solution

The fourth proportional to 536.71, 805.05 and 171.52 is: 257.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    536.71 : 805.05 = 171.52 : x
  2. Step 2: Convert to fraction form
    536.71/805.05 = 171.52/x
  3. Step 3: Cross multiply
    536.71x = 805.05 × 171.52
  4. Step 4: Simplify right side
    536.71x = 138,082.18
  5. Step 5: Solve for x
    x = 138,082.18/536.71
  6. Step 6: Final answer
    x = 257.28

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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.