Finding the Fourth Proportional to 330.99, 456.77 and 181.63
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Solution
The fourth proportional to 330.99, 456.77 and 181.63 is: 250.65
Step by Step Solution
- Step 1: Write the proportion equation
330.99 : 456.77 = 181.63 : x - Step 2: Convert to fraction form
330.99/456.77 = 181.63/x - Step 3: Cross multiply
330.99x = 456.77 × 181.63 - Step 4: Simplify right side
330.99x = 82,965.44 - Step 5: Solve for x
x = 82,965.44/330.99 - Step 6: Final answer
x = 250.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.