Finding the Fourth Proportional to 366.60, 549.09 and 316.02
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Solution
The fourth proportional to 366.60, 549.09 and 316.02 is: 473.33
Step by Step Solution
- Step 1: Write the proportion equation
366.60 : 549.09 = 316.02 : x - Step 2: Convert to fraction form
366.60/549.09 = 316.02/x - Step 3: Cross multiply
366.60x = 549.09 × 316.02 - Step 4: Simplify right side
366.60x = 173,523.42 - Step 5: Solve for x
x = 173,523.42/366.60 - Step 6: Final answer
x = 473.33
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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.