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Finding the Fourth Proportional to 380.68, 571.94 and 244.00

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Solution

The fourth proportional to 380.68, 571.94 and 244.00 is: 366.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    380.68 : 571.94 = 244.00 : x
  2. Step 2: Convert to fraction form
    380.68/571.94 = 244.00/x
  3. Step 3: Cross multiply
    380.68x = 571.94 × 244.00
  4. Step 4: Simplify right side
    380.68x = 139,549.87
  5. Step 5: Solve for x
    x = 139,549.87/380.68
  6. Step 6: Final answer
    x = 366.58

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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.