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Finding the Fourth Proportional to 650.36, 976.04 and 376.68

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Solution

The fourth proportional to 650.36, 976.04 and 376.68 is: 565.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    650.36 : 976.04 = 376.68 : x
  2. Step 2: Convert to fraction form
    650.36/976.04 = 376.68/x
  3. Step 3: Cross multiply
    650.36x = 976.04 × 376.68
  4. Step 4: Simplify right side
    650.36x = 367,654.75
  5. Step 5: Solve for x
    x = 367,654.75/650.36
  6. Step 6: Final answer
    x = 565.31

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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.