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Finding the Fourth Proportional to 396.32, 590.60 and 373.24

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Solution

The fourth proportional to 396.32, 590.60 and 373.24 is: 556.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    396.32 : 590.60 = 373.24 : x
  2. Step 2: Convert to fraction form
    396.32/590.60 = 373.24/x
  3. Step 3: Cross multiply
    396.32x = 590.60 × 373.24
  4. Step 4: Simplify right side
    396.32x = 220,435.54
  5. Step 5: Solve for x
    x = 220,435.54/396.32
  6. Step 6: Final answer
    x = 556.21

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.