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Finding the Fourth Proportional to 536.79, 806.54 and 341.87

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Solution

The fourth proportional to 536.79, 806.54 and 341.87 is: 513.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    536.79 : 806.54 = 341.87 : x
  2. Step 2: Convert to fraction form
    536.79/806.54 = 341.87/x
  3. Step 3: Cross multiply
    536.79x = 806.54 × 341.87
  4. Step 4: Simplify right side
    536.79x = 275,732.14
  5. Step 5: Solve for x
    x = 275,732.14/536.79
  6. Step 6: Final answer
    x = 513.67

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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.