Finding the Fourth Proportional to 336.62, 464.70 and 212.30
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Solution
The fourth proportional to 336.62, 464.70 and 212.30 is: 293.08
Step by Step Solution
- Step 1: Write the proportion equation
336.62 : 464.70 = 212.30 : x - Step 2: Convert to fraction form
336.62/464.70 = 212.30/x - Step 3: Cross multiply
336.62x = 464.70 × 212.30 - Step 4: Simplify right side
336.62x = 98,655.81 - Step 5: Solve for x
x = 98,655.81/336.62 - Step 6: Final answer
x = 293.08
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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.