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Finding the Fourth Proportional to 365.70, 548.94 and 351.12

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Solution

The fourth proportional to 365.70, 548.94 and 351.12 is: 527.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.70 : 548.94 = 351.12 : x
  2. Step 2: Convert to fraction form
    365.70/548.94 = 351.12/x
  3. Step 3: Cross multiply
    365.70x = 548.94 × 351.12
  4. Step 4: Simplify right side
    365.70x = 192,743.81
  5. Step 5: Solve for x
    x = 192,743.81/365.70
  6. Step 6: Final answer
    x = 527.05

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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.