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Finding the Fourth Proportional to 536.85, 805.37 and 166.68

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Solution

The fourth proportional to 536.85, 805.37 and 166.68 is: 250.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    536.85 : 805.37 = 166.68 : x
  2. Step 2: Convert to fraction form
    536.85/805.37 = 166.68/x
  3. Step 3: Cross multiply
    536.85x = 805.37 × 166.68
  4. Step 4: Simplify right side
    536.85x = 134,238.24
  5. Step 5: Solve for x
    x = 134,238.24/536.85
  6. Step 6: Final answer
    x = 250.05

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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.