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Finding the Fourth Proportional to 348.47, 480.93 and 201.18

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Solution

The fourth proportional to 348.47, 480.93 and 201.18 is: 277.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    348.47 : 480.93 = 201.18 : x
  2. Step 2: Convert to fraction form
    348.47/480.93 = 201.18/x
  3. Step 3: Cross multiply
    348.47x = 480.93 × 201.18
  4. Step 4: Simplify right side
    348.47x = 96,753.50
  5. Step 5: Solve for x
    x = 96,753.50/348.47
  6. Step 6: Final answer
    x = 277.66

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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.