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Finding the Fourth Proportional to 554.36, 827.58 and 481.48

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Solution

The fourth proportional to 554.36, 827.58 and 481.48 is: 718.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    554.36 : 827.58 = 481.48 : x
  2. Step 2: Convert to fraction form
    554.36/827.58 = 481.48/x
  3. Step 3: Cross multiply
    554.36x = 827.58 × 481.48
  4. Step 4: Simplify right side
    554.36x = 398,463.22
  5. Step 5: Solve for x
    x = 398,463.22/554.36
  6. Step 6: Final answer
    x = 718.78

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.