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Finding the Fourth Proportional to 469.10, 703.83 and 225.83

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Solution

The fourth proportional to 469.10, 703.83 and 225.83 is: 338.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    469.10 : 703.83 = 225.83 : x
  2. Step 2: Convert to fraction form
    469.10/703.83 = 225.83/x
  3. Step 3: Cross multiply
    469.10x = 703.83 × 225.83
  4. Step 4: Simplify right side
    469.10x = 158,945.93
  5. Step 5: Solve for x
    x = 158,945.93/469.10
  6. Step 6: Final answer
    x = 338.83

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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.