Finding the Fourth Proportional to 344.14, 474.69 and 219.75
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Solution
The fourth proportional to 344.14, 474.69 and 219.75 is: 303.11
Step by Step Solution
- Step 1: Write the proportion equation
344.14 : 474.69 = 219.75 : x - Step 2: Convert to fraction form
344.14/474.69 = 219.75/x - Step 3: Cross multiply
344.14x = 474.69 × 219.75 - Step 4: Simplify right side
344.14x = 104,313.13 - Step 5: Solve for x
x = 104,313.13/344.14 - Step 6: Final answer
x = 303.11
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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.