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Finding the Fourth Proportional to 350.02, 483.12 and 225.70

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Solution

The fourth proportional to 350.02, 483.12 and 225.70 is: 311.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.02 : 483.12 = 225.70 : x
  2. Step 2: Convert to fraction form
    350.02/483.12 = 225.70/x
  3. Step 3: Cross multiply
    350.02x = 483.12 × 225.70
  4. Step 4: Simplify right side
    350.02x = 109,040.18
  5. Step 5: Solve for x
    x = 109,040.18/350.02
  6. Step 6: Final answer
    x = 311.53

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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.