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Finding the Fourth Proportional to 548.06, 755.88 and 348.93

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Solution

The fourth proportional to 548.06, 755.88 and 348.93 is: 481.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    548.06 : 755.88 = 348.93 : x
  2. Step 2: Convert to fraction form
    548.06/755.88 = 348.93/x
  3. Step 3: Cross multiply
    548.06x = 755.88 × 348.93
  4. Step 4: Simplify right side
    548.06x = 263,749.21
  5. Step 5: Solve for x
    x = 263,749.21/548.06
  6. Step 6: Final answer
    x = 481.25

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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.