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Finding the Fourth Proportional to 366.36, 552.78 and 354.24

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Solution

The fourth proportional to 366.36, 552.78 and 354.24 is: 534.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.36 : 552.78 = 354.24 : x
  2. Step 2: Convert to fraction form
    366.36/552.78 = 354.24/x
  3. Step 3: Cross multiply
    366.36x = 552.78 × 354.24
  4. Step 4: Simplify right side
    366.36x = 195,816.79
  5. Step 5: Solve for x
    x = 195,816.79/366.36
  6. Step 6: Final answer
    x = 534.49

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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.