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Finding the Fourth Proportional to 333.56, 460.50 and 223.19

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Solution

The fourth proportional to 333.56, 460.50 and 223.19 is: 308.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.56 : 460.50 = 223.19 : x
  2. Step 2: Convert to fraction form
    333.56/460.50 = 223.19/x
  3. Step 3: Cross multiply
    333.56x = 460.50 × 223.19
  4. Step 4: Simplify right side
    333.56x = 102,779.00
  5. Step 5: Solve for x
    x = 102,779.00/333.56
  6. Step 6: Final answer
    x = 308.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.