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Finding the Fourth Proportional to 552.60, 835.16 and 543.03

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Solution

The fourth proportional to 552.60, 835.16 and 543.03 is: 820.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    552.60 : 835.16 = 543.03 : x
  2. Step 2: Convert to fraction form
    552.60/835.16 = 543.03/x
  3. Step 3: Cross multiply
    552.60x = 835.16 × 543.03
  4. Step 4: Simplify right side
    552.60x = 453,514.22
  5. Step 5: Solve for x
    x = 453,514.22/552.60
  6. Step 6: Final answer
    x = 820.69

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.