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Finding the Fourth Proportional to 223.08, 333.03 and 210.12

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Solution

The fourth proportional to 223.08, 333.03 and 210.12 is: 313.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.08 : 333.03 = 210.12 : x
  2. Step 2: Convert to fraction form
    223.08/333.03 = 210.12/x
  3. Step 3: Cross multiply
    223.08x = 333.03 × 210.12
  4. Step 4: Simplify right side
    223.08x = 69,976.26
  5. Step 5: Solve for x
    x = 69,976.26/223.08
  6. Step 6: Final answer
    x = 313.68

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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.