Finding the Fourth Proportional to 302.94, 454.68 and 181.44
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Solution
The fourth proportional to 302.94, 454.68 and 181.44 is: 272.32
Step by Step Solution
- Step 1: Write the proportion equation
302.94 : 454.68 = 181.44 : x - Step 2: Convert to fraction form
302.94/454.68 = 181.44/x - Step 3: Cross multiply
302.94x = 454.68 × 181.44 - Step 4: Simplify right side
302.94x = 82,497.14 - Step 5: Solve for x
x = 82,497.14/302.94 - Step 6: Final answer
x = 272.32
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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.