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Finding the Fourth Proportional to 228.65, 341.19 and 223.16

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Solution

The fourth proportional to 228.65, 341.19 and 223.16 is: 333.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    228.65 : 341.19 = 223.16 : x
  2. Step 2: Convert to fraction form
    228.65/341.19 = 223.16/x
  3. Step 3: Cross multiply
    228.65x = 341.19 × 223.16
  4. Step 4: Simplify right side
    228.65x = 76,138.25
  5. Step 5: Solve for x
    x = 76,138.25/228.65
  6. Step 6: Final answer
    x = 333.00

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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.