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Finding the Fourth Proportional to 536.43, 803.34 and 484.49

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Solution

The fourth proportional to 536.43, 803.34 and 484.49 is: 725.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    536.43 : 803.34 = 484.49 : x
  2. Step 2: Convert to fraction form
    536.43/803.34 = 484.49/x
  3. Step 3: Cross multiply
    536.43x = 803.34 × 484.49
  4. Step 4: Simplify right side
    536.43x = 389,210.20
  5. Step 5: Solve for x
    x = 389,210.20/536.43
  6. Step 6: Final answer
    x = 725.56

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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.