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Finding the Fourth Proportional to 236.99, 356.00 and 223.12

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Solution

The fourth proportional to 236.99, 356.00 and 223.12 is: 335.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.99 : 356.00 = 223.12 : x
  2. Step 2: Convert to fraction form
    236.99/356.00 = 223.12/x
  3. Step 3: Cross multiply
    236.99x = 356.00 × 223.12
  4. Step 4: Simplify right side
    236.99x = 79,430.05
  5. Step 5: Solve for x
    x = 79,430.05/236.99
  6. Step 6: Final answer
    x = 335.16

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Why These Related Problems?

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