Finding the Fourth Proportional to 366.21, 549.41 and 135.23
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Solution
The fourth proportional to 366.21, 549.41 and 135.23 is: 202.88
Step by Step Solution
- Step 1: Write the proportion equation
366.21 : 549.41 = 135.23 : x - Step 2: Convert to fraction form
366.21/549.41 = 135.23/x - Step 3: Cross multiply
366.21x = 549.41 × 135.23 - Step 4: Simplify right side
366.21x = 74,296.71 - Step 5: Solve for x
x = 74,296.71/366.21 - Step 6: Final answer
x = 202.88
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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.