Finding the Fourth Proportional to 322.90, 445.58 and 182.99
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Solution
The fourth proportional to 322.90, 445.58 and 182.99 is: 252.51
Step by Step Solution
- Step 1: Write the proportion equation
322.90 : 445.58 = 182.99 : x - Step 2: Convert to fraction form
322.90/445.58 = 182.99/x - Step 3: Cross multiply
322.90x = 445.58 × 182.99 - Step 4: Simplify right side
322.90x = 81,536.68 - Step 5: Solve for x
x = 81,536.68/322.90 - Step 6: Final answer
x = 252.51
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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.