Finding the Fourth Proportional to 665.88, 998.88 and 232.96
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Solution
The fourth proportional to 665.88, 998.88 and 232.96 is: 349.46
Step by Step Solution
- Step 1: Write the proportion equation
665.88 : 998.88 = 232.96 : x - Step 2: Convert to fraction form
665.88/998.88 = 232.96/x - Step 3: Cross multiply
665.88x = 998.88 × 232.96 - Step 4: Simplify right side
665.88x = 232,699.08 - Step 5: Solve for x
x = 232,699.08/665.88 - Step 6: Final answer
x = 349.46
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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.