Finding the Fourth Proportional to 324.63, 448.07 and 207.99
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Solution
The fourth proportional to 324.63, 448.07 and 207.99 is: 287.07
Step by Step Solution
- Step 1: Write the proportion equation
324.63 : 448.07 = 207.99 : x - Step 2: Convert to fraction form
324.63/448.07 = 207.99/x - Step 3: Cross multiply
324.63x = 448.07 × 207.99 - Step 4: Simplify right side
324.63x = 93,193.04 - Step 5: Solve for x
x = 93,193.04/324.63 - Step 6: Final answer
x = 287.07
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.