Finding the Fourth Proportional to 366.58, 549.84 and 147.19
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Solution
The fourth proportional to 366.58, 549.84 and 147.19 is: 220.77
Step by Step Solution
- Step 1: Write the proportion equation
366.58 : 549.84 = 147.19 : x - Step 2: Convert to fraction form
366.58/549.84 = 147.19/x - Step 3: Cross multiply
366.58x = 549.84 × 147.19 - Step 4: Simplify right side
366.58x = 80,930.21 - Step 5: Solve for x
x = 80,930.21/366.58 - Step 6: Final answer
x = 220.77
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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.