Finding the Fourth Proportional to 976.25, 1,464.62 and 326.99
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Solution
The fourth proportional to 976.25, 1,464.62 and 326.99 is: 490.57
Step by Step Solution
- Step 1: Write the proportion equation
976.25 : 1,464.62 = 326.99 : x - Step 2: Convert to fraction form
976.25/1,464.62 = 326.99/x - Step 3: Cross multiply
976.25x = 1,464.62 × 326.99 - Step 4: Simplify right side
976.25x = 478,916.09 - Step 5: Solve for x
x = 478,916.09/976.25 - Step 6: Final answer
x = 490.57
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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.