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Finding the Fourth Proportional to 223.09, 334.62 and 60.77

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Solution

The fourth proportional to 223.09, 334.62 and 60.77 is: 91.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.09 : 334.62 = 60.77 : x
  2. Step 2: Convert to fraction form
    223.09/334.62 = 60.77/x
  3. Step 3: Cross multiply
    223.09x = 334.62 × 60.77
  4. Step 4: Simplify right side
    223.09x = 20,334.43
  5. Step 5: Solve for x
    x = 20,334.43/223.09
  6. Step 6: Final answer
    x = 91.15

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.