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Finding the Fourth Proportional to 383.01, 573.99 and 274.56

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Solution

The fourth proportional to 383.01, 573.99 and 274.56 is: 411.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    383.01 : 573.99 = 274.56 : x
  2. Step 2: Convert to fraction form
    383.01/573.99 = 274.56/x
  3. Step 3: Cross multiply
    383.01x = 573.99 × 274.56
  4. Step 4: Simplify right side
    383.01x = 157,594.69
  5. Step 5: Solve for x
    x = 157,594.69/383.01
  6. Step 6: Final answer
    x = 411.46

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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.