Finding the Fourth Proportional to 366.12, 549.14 and 122.64
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Solution
The fourth proportional to 366.12, 549.14 and 122.64 is: 183.95
Step by Step Solution
- Step 1: Write the proportion equation
366.12 : 549.14 = 122.64 : x - Step 2: Convert to fraction form
366.12/549.14 = 122.64/x - Step 3: Cross multiply
366.12x = 549.14 × 122.64 - Step 4: Simplify right side
366.12x = 67,346.53 - Step 5: Solve for x
x = 67,346.53/366.12 - Step 6: Final answer
x = 183.95
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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.