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Finding the Fourth Proportional to 153.01, 230.67 and 141.27

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Solution

The fourth proportional to 153.01, 230.67 and 141.27 is: 212.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    153.01 : 230.67 = 141.27 : x
  2. Step 2: Convert to fraction form
    153.01/230.67 = 141.27/x
  3. Step 3: Cross multiply
    153.01x = 230.67 × 141.27
  4. Step 4: Simplify right side
    153.01x = 32,586.75
  5. Step 5: Solve for x
    x = 32,586.75/153.01
  6. Step 6: Final answer
    x = 212.97

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.