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Finding the Fourth Proportional to 152.29, 226.83 and 145.27

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Solution

The fourth proportional to 152.29, 226.83 and 145.27 is: 216.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    152.29 : 226.83 = 145.27 : x
  2. Step 2: Convert to fraction form
    152.29/226.83 = 145.27/x
  3. Step 3: Cross multiply
    152.29x = 226.83 × 145.27
  4. Step 4: Simplify right side
    152.29x = 32,951.59
  5. Step 5: Solve for x
    x = 32,951.59/152.29
  6. Step 6: Final answer
    x = 216.37

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.