Finding the Fourth Proportional to 448.92, 619.18 and 330.93
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Solution
The fourth proportional to 448.92, 619.18 and 330.93 is: 456.44
Step by Step Solution
- Step 1: Write the proportion equation
448.92 : 619.18 = 330.93 : x - Step 2: Convert to fraction form
448.92/619.18 = 330.93/x - Step 3: Cross multiply
448.92x = 619.18 × 330.93 - Step 4: Simplify right side
448.92x = 204,905.24 - Step 5: Solve for x
x = 204,905.24/448.92 - Step 6: Final answer
x = 456.44
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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.