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Finding the Fourth Proportional to 344.51, 475.48 and 220.13

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Solution

The fourth proportional to 344.51, 475.48 and 220.13 is: 303.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    344.51 : 475.48 = 220.13 : x
  2. Step 2: Convert to fraction form
    344.51/475.48 = 220.13/x
  3. Step 3: Cross multiply
    344.51x = 475.48 × 220.13
  4. Step 4: Simplify right side
    344.51x = 104,668.05
  5. Step 5: Solve for x
    x = 104,668.05/344.51
  6. Step 6: Final answer
    x = 303.82

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