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Finding the Fourth Proportional to 650.42, 976.59 and 266.42

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Solution

The fourth proportional to 650.42, 976.59 and 266.42 is: 400.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    650.42 : 976.59 = 266.42 : x
  2. Step 2: Convert to fraction form
    650.42/976.59 = 266.42/x
  3. Step 3: Cross multiply
    650.42x = 976.59 × 266.42
  4. Step 4: Simplify right side
    650.42x = 260,183.11
  5. Step 5: Solve for x
    x = 260,183.11/650.42
  6. Step 6: Final answer
    x = 400.02

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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.