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Finding the Fourth Proportional to 223.56, 336.56 and 151.88

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Solution

The fourth proportional to 223.56, 336.56 and 151.88 is: 228.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.56 : 336.56 = 151.88 : x
  2. Step 2: Convert to fraction form
    223.56/336.56 = 151.88/x
  3. Step 3: Cross multiply
    223.56x = 336.56 × 151.88
  4. Step 4: Simplify right side
    223.56x = 51,114.29
  5. Step 5: Solve for x
    x = 51,114.29/223.56
  6. Step 6: Final answer
    x = 228.64

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.