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Finding the Fourth Proportional to 224.56, 338.06 and 152.88

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Solution

The fourth proportional to 224.56, 338.06 and 152.88 is: 230.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.56 : 338.06 = 152.88 : x
  2. Step 2: Convert to fraction form
    224.56/338.06 = 152.88/x
  3. Step 3: Cross multiply
    224.56x = 338.06 × 152.88
  4. Step 4: Simplify right side
    224.56x = 51,682.61
  5. Step 5: Solve for x
    x = 51,682.61/224.56
  6. Step 6: Final answer
    x = 230.15

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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.