Finding the Fourth Proportional to 414.93, 572.36 and 316.65
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Solution
The fourth proportional to 414.93, 572.36 and 316.65 is: 436.79
Step by Step Solution
- Step 1: Write the proportion equation
414.93 : 572.36 = 316.65 : x - Step 2: Convert to fraction form
414.93/572.36 = 316.65/x - Step 3: Cross multiply
414.93x = 572.36 × 316.65 - Step 4: Simplify right side
414.93x = 181,236.21 - Step 5: Solve for x
x = 181,236.21/414.93 - Step 6: Final answer
x = 436.79
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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.