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Finding the Fourth Proportional to 366.96, 553.77 and 354.72

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Solution

The fourth proportional to 366.96, 553.77 and 354.72 is: 535.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.96 : 553.77 = 354.72 : x
  2. Step 2: Convert to fraction form
    366.96/553.77 = 354.72/x
  3. Step 3: Cross multiply
    366.96x = 553.77 × 354.72
  4. Step 4: Simplify right side
    366.96x = 196,433.29
  5. Step 5: Solve for x
    x = 196,433.29/366.96
  6. Step 6: Final answer
    x = 535.30

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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.