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Finding the Fourth Proportional to 293.33, 440.03 and 130.99

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Solution

The fourth proportional to 293.33, 440.03 and 130.99 is: 196.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.33 : 440.03 = 130.99 : x
  2. Step 2: Convert to fraction form
    293.33/440.03 = 130.99/x
  3. Step 3: Cross multiply
    293.33x = 440.03 × 130.99
  4. Step 4: Simplify right side
    293.33x = 57,640.30
  5. Step 5: Solve for x
    x = 57,640.30/293.33
  6. Step 6: Final answer
    x = 196.50

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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.