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Finding the Fourth Proportional to 651.28, 976.58 and 240.27

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Solution

The fourth proportional to 651.28, 976.58 and 240.27 is: 360.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    651.28 : 976.58 = 240.27 : x
  2. Step 2: Convert to fraction form
    651.28/976.58 = 240.27/x
  3. Step 3: Cross multiply
    651.28x = 976.58 × 240.27
  4. Step 4: Simplify right side
    651.28x = 234,641.68
  5. Step 5: Solve for x
    x = 234,641.68/651.28
  6. Step 6: Final answer
    x = 360.28

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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.