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Finding the Fourth Proportional to 224.64, 335.58 and 188.19

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Solution

The fourth proportional to 224.64, 335.58 and 188.19 is: 281.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.64 : 335.58 = 188.19 : x
  2. Step 2: Convert to fraction form
    224.64/335.58 = 188.19/x
  3. Step 3: Cross multiply
    224.64x = 335.58 × 188.19
  4. Step 4: Simplify right side
    224.64x = 63,152.80
  5. Step 5: Solve for x
    x = 63,152.80/224.64
  6. Step 6: Final answer
    x = 281.13

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.