Finding the Fourth Proportional to 442.99, 664.73 and 182.93
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Solution
The fourth proportional to 442.99, 664.73 and 182.93 is: 274.50
Step by Step Solution
- Step 1: Write the proportion equation
442.99 : 664.73 = 182.93 : x - Step 2: Convert to fraction form
442.99/664.73 = 182.93/x - Step 3: Cross multiply
442.99x = 664.73 × 182.93 - Step 4: Simplify right side
442.99x = 121,599.06 - Step 5: Solve for x
x = 121,599.06/442.99 - Step 6: Final answer
x = 274.50
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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.