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Finding the Fourth Proportional to 433.34, 650.27 and 228.05

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Solution

The fourth proportional to 433.34, 650.27 and 228.05 is: 342.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    433.34 : 650.27 = 228.05 : x
  2. Step 2: Convert to fraction form
    433.34/650.27 = 228.05/x
  3. Step 3: Cross multiply
    433.34x = 650.27 × 228.05
  4. Step 4: Simplify right side
    433.34x = 148,293.83
  5. Step 5: Solve for x
    x = 148,293.83/433.34
  6. Step 6: Final answer
    x = 342.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.