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Finding the Fourth Proportional to 1,523.26, 2,285.34 and 549.44

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Solution

The fourth proportional to 1,523.26, 2,285.34 and 549.44 is: 824.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,523.26 : 2,285.34 = 549.44 : x
  2. Step 2: Convert to fraction form
    1,523.26/2,285.34 = 549.44/x
  3. Step 3: Cross multiply
    1,523.26x = 2,285.34 × 549.44
  4. Step 4: Simplify right side
    1,523.26x = 1,255,657.21
  5. Step 5: Solve for x
    x = 1,255,657.21/1,523.26
  6. Step 6: Final answer
    x = 824.32

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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.