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Finding the Fourth Proportional to 552.84, 829.53 and 309.44

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Solution

The fourth proportional to 552.84, 829.53 and 309.44 is: 464.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    552.84 : 829.53 = 309.44 : x
  2. Step 2: Convert to fraction form
    552.84/829.53 = 309.44/x
  3. Step 3: Cross multiply
    552.84x = 829.53 × 309.44
  4. Step 4: Simplify right side
    552.84x = 256,685.62
  5. Step 5: Solve for x
    x = 256,685.62/552.84
  6. Step 6: Final answer
    x = 464.30

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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.