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Finding the Fourth Proportional to 227.10, 339.00 and 210.19

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Solution

The fourth proportional to 227.10, 339.00 and 210.19 is: 313.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    227.10 : 339.00 = 210.19 : x
  2. Step 2: Convert to fraction form
    227.10/339.00 = 210.19/x
  3. Step 3: Cross multiply
    227.10x = 339.00 × 210.19
  4. Step 4: Simplify right side
    227.10x = 71,253.36
  5. Step 5: Solve for x
    x = 71,253.36/227.10
  6. Step 6: Final answer
    x = 313.75

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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.