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Finding the Fourth Proportional to 152.01, 229.16 and 140.27

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Solution

The fourth proportional to 152.01, 229.16 and 140.27 is: 211.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    152.01 : 229.16 = 140.27 : x
  2. Step 2: Convert to fraction form
    152.01/229.16 = 140.27/x
  3. Step 3: Cross multiply
    152.01x = 229.16 × 140.27
  4. Step 4: Simplify right side
    152.01x = 32,143.48
  5. Step 5: Solve for x
    x = 32,143.48/152.01
  6. Step 6: Final answer
    x = 211.46

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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.