Finding the Fourth Proportional to 324.99, 448.48 and 177.63
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Solution
The fourth proportional to 324.99, 448.48 and 177.63 is: 245.12
Step by Step Solution
- Step 1: Write the proportion equation
324.99 : 448.48 = 177.63 : x - Step 2: Convert to fraction form
324.99/448.48 = 177.63/x - Step 3: Cross multiply
324.99x = 448.48 × 177.63 - Step 4: Simplify right side
324.99x = 79,662.61 - Step 5: Solve for x
x = 79,662.61/324.99 - Step 6: Final answer
x = 245.12
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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.