Finding the Fourth Proportional to 336.74, 466.62 and 316.19
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Solution
The fourth proportional to 336.74, 466.62 and 316.19 is: 438.14
Step by Step Solution
- Step 1: Write the proportion equation
336.74 : 466.62 = 316.19 : x - Step 2: Convert to fraction form
336.74/466.62 = 316.19/x - Step 3: Cross multiply
336.74x = 466.62 × 316.19 - Step 4: Simplify right side
336.74x = 147,538.24 - Step 5: Solve for x
x = 147,538.24/336.74 - Step 6: Final answer
x = 438.14
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.