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Finding the Fourth Proportional to 152.03, 226.83 and 126.51

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Solution

The fourth proportional to 152.03, 226.83 and 126.51 is: 188.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    152.03 : 226.83 = 126.51 : x
  2. Step 2: Convert to fraction form
    152.03/226.83 = 126.51/x
  3. Step 3: Cross multiply
    152.03x = 226.83 × 126.51
  4. Step 4: Simplify right side
    152.03x = 28,696.10
  5. Step 5: Solve for x
    x = 28,696.10/152.03
  6. Step 6: Final answer
    x = 188.76

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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.