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Finding the Fourth Proportional to 650.08, 974.99 and 187.75

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Solution

The fourth proportional to 650.08, 974.99 and 187.75 is: 281.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    650.08 : 974.99 = 187.75 : x
  2. Step 2: Convert to fraction form
    650.08/974.99 = 187.75/x
  3. Step 3: Cross multiply
    650.08x = 974.99 × 187.75
  4. Step 4: Simplify right side
    650.08x = 183,054.37
  5. Step 5: Solve for x
    x = 183,054.37/650.08
  6. Step 6: Final answer
    x = 281.59

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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.