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Finding the Fourth Proportional to 229.01, 343.62 and 130.23

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Solution

The fourth proportional to 229.01, 343.62 and 130.23 is: 195.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    229.01 : 343.62 = 130.23 : x
  2. Step 2: Convert to fraction form
    229.01/343.62 = 130.23/x
  3. Step 3: Cross multiply
    229.01x = 343.62 × 130.23
  4. Step 4: Simplify right side
    229.01x = 44,749.63
  5. Step 5: Solve for x
    x = 44,749.63/229.01
  6. Step 6: Final answer
    x = 195.41

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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.