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Finding the Fourth Proportional to 365.31, 548.03 and 235.25

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Solution

The fourth proportional to 365.31, 548.03 and 235.25 is: 352.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.31 : 548.03 = 235.25 : x
  2. Step 2: Convert to fraction form
    365.31/548.03 = 235.25/x
  3. Step 3: Cross multiply
    365.31x = 548.03 × 235.25
  4. Step 4: Simplify right side
    365.31x = 128,923.96
  5. Step 5: Solve for x
    x = 128,923.96/365.31
  6. Step 6: Final answer
    x = 352.92

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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.