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Finding the Fourth Proportional to 348.25, 480.02 and 236.18

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Solution

The fourth proportional to 348.25, 480.02 and 236.18 is: 325.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    348.25 : 480.02 = 236.18 : x
  2. Step 2: Convert to fraction form
    348.25/480.02 = 236.18/x
  3. Step 3: Cross multiply
    348.25x = 480.02 × 236.18
  4. Step 4: Simplify right side
    348.25x = 113,368.72
  5. Step 5: Solve for x
    x = 113,368.72/348.25
  6. Step 6: Final answer
    x = 325.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.