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Finding the Fourth Proportional to 366.23, 550.48 and 245.27

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Solution

The fourth proportional to 366.23, 550.48 and 245.27 is: 368.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.23 : 550.48 = 245.27 : x
  2. Step 2: Convert to fraction form
    366.23/550.48 = 245.27/x
  3. Step 3: Cross multiply
    366.23x = 550.48 × 245.27
  4. Step 4: Simplify right side
    366.23x = 135,018.60
  5. Step 5: Solve for x
    x = 135,018.60/366.23
  6. Step 6: Final answer
    x = 368.67

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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.