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Finding the Fourth Proportional to 366.52, 552.55 and 343.03

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Solution

The fourth proportional to 366.52, 552.55 and 343.03 is: 517.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.52 : 552.55 = 343.03 : x
  2. Step 2: Convert to fraction form
    366.52/552.55 = 343.03/x
  3. Step 3: Cross multiply
    366.52x = 552.55 × 343.03
  4. Step 4: Simplify right side
    366.52x = 189,541.23
  5. Step 5: Solve for x
    x = 189,541.23/366.52
  6. Step 6: Final answer
    x = 517.14

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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.