Finding the Fourth Proportional to 344.26, 474.88 and 219.70
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Solution
The fourth proportional to 344.26, 474.88 and 219.70 is: 303.06
Step by Step Solution
- Step 1: Write the proportion equation
344.26 : 474.88 = 219.70 : x - Step 2: Convert to fraction form
344.26/474.88 = 219.70/x - Step 3: Cross multiply
344.26x = 474.88 × 219.70 - Step 4: Simplify right side
344.26x = 104,331.14 - Step 5: Solve for x
x = 104,331.14/344.26 - Step 6: Final answer
x = 303.06
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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.