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Finding the Fourth Proportional to 1,522.77, 2,284.47 and 548.88

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Solution

The fourth proportional to 1,522.77, 2,284.47 and 548.88 is: 823.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,522.77 : 2,284.47 = 548.88 : x
  2. Step 2: Convert to fraction form
    1,522.77/2,284.47 = 548.88/x
  3. Step 3: Cross multiply
    1,522.77x = 2,284.47 × 548.88
  4. Step 4: Simplify right side
    1,522.77x = 1,253,899.89
  5. Step 5: Solve for x
    x = 1,253,899.89/1,522.77
  6. Step 6: Final answer
    x = 823.43

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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.