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Finding the Fourth Proportional to 222.22, 306.41 and 152.32

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Solution

The fourth proportional to 222.22, 306.41 and 152.32 is: 210.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.22 : 306.41 = 152.32 : x
  2. Step 2: Convert to fraction form
    222.22/306.41 = 152.32/x
  3. Step 3: Cross multiply
    222.22x = 306.41 × 152.32
  4. Step 4: Simplify right side
    222.22x = 46,672.37
  5. Step 5: Solve for x
    x = 46,672.37/222.22
  6. Step 6: Final answer
    x = 210.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.