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Finding the Fourth Proportional to 365.52, 548.94 and 340.94

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Solution

The fourth proportional to 365.52, 548.94 and 340.94 is: 512.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.52 : 548.94 = 340.94 : x
  2. Step 2: Convert to fraction form
    365.52/548.94 = 340.94/x
  3. Step 3: Cross multiply
    365.52x = 548.94 × 340.94
  4. Step 4: Simplify right side
    365.52x = 187,155.60
  5. Step 5: Solve for x
    x = 187,155.60/365.52
  6. Step 6: Final answer
    x = 512.03

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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.