Finding the Fourth Proportional to 316.97, 476.14 and 201.70
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Solution
The fourth proportional to 316.97, 476.14 and 201.70 is: 302.98
Step by Step Solution
- Step 1: Write the proportion equation
316.97 : 476.14 = 201.70 : x - Step 2: Convert to fraction form
316.97/476.14 = 201.70/x - Step 3: Cross multiply
316.97x = 476.14 × 201.70 - Step 4: Simplify right side
316.97x = 96,035.74 - Step 5: Solve for x
x = 96,035.74/316.97 - Step 6: Final answer
x = 302.98
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.