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Finding the Fourth Proportional to 383.35, 573.84 and 374.05

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Solution

The fourth proportional to 383.35, 573.84 and 374.05 is: 559.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    383.35 : 573.84 = 374.05 : x
  2. Step 2: Convert to fraction form
    383.35/573.84 = 374.05/x
  3. Step 3: Cross multiply
    383.35x = 573.84 × 374.05
  4. Step 4: Simplify right side
    383.35x = 214,644.85
  5. Step 5: Solve for x
    x = 214,644.85/383.35
  6. Step 6: Final answer
    x = 559.92

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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.