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Finding the Fourth Proportional to 366.47, 550 and 193.24

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Solution

The fourth proportional to 366.47, 550 and 193.24 is: 290.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.47 : 550 = 193.24 : x
  2. Step 2: Convert to fraction form
    366.47/550 = 193.24/x
  3. Step 3: Cross multiply
    366.47x = 550 × 193.24
  4. Step 4: Simplify right side
    366.47x = 106,282
  5. Step 5: Solve for x
    x = 106,282/366.47
  6. Step 6: Final answer
    x = 290.02

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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.