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Finding the Fourth Proportional to 552.62, 828.94 and 187.44

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Solution

The fourth proportional to 552.62, 828.94 and 187.44 is: 281.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    552.62 : 828.94 = 187.44 : x
  2. Step 2: Convert to fraction form
    552.62/828.94 = 187.44/x
  3. Step 3: Cross multiply
    552.62x = 828.94 × 187.44
  4. Step 4: Simplify right side
    552.62x = 155,376.51
  5. Step 5: Solve for x
    x = 155,376.51/552.62
  6. Step 6: Final answer
    x = 281.16

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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.