Finding the Fourth Proportional to 366.19, 549.08 and 122.58
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Solution
The fourth proportional to 366.19, 549.08 and 122.58 is: 183.80
Step by Step Solution
- Step 1: Write the proportion equation
366.19 : 549.08 = 122.58 : x - Step 2: Convert to fraction form
366.19/549.08 = 122.58/x - Step 3: Cross multiply
366.19x = 549.08 × 122.58 - Step 4: Simplify right side
366.19x = 67,306.23 - Step 5: Solve for x
x = 67,306.23/366.19 - Step 6: Final answer
x = 183.80
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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.