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Finding the Fourth Proportional to 376.35, 561.66 and 335.36

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Solution

The fourth proportional to 376.35, 561.66 and 335.36 is: 500.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.35 : 561.66 = 335.36 : x
  2. Step 2: Convert to fraction form
    376.35/561.66 = 335.36/x
  3. Step 3: Cross multiply
    376.35x = 561.66 × 335.36
  4. Step 4: Simplify right side
    376.35x = 188,355.49
  5. Step 5: Solve for x
    x = 188,355.49/376.35
  6. Step 6: Final answer
    x = 500.48

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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.