Finding the Fourth Proportional to 665.19, 997.92 and 202.96
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Solution
The fourth proportional to 665.19, 997.92 and 202.96 is: 304.48
Step by Step Solution
- Step 1: Write the proportion equation
665.19 : 997.92 = 202.96 : x - Step 2: Convert to fraction form
665.19/997.92 = 202.96/x - Step 3: Cross multiply
665.19x = 997.92 × 202.96 - Step 4: Simplify right side
665.19x = 202,533.48 - Step 5: Solve for x
x = 202,533.48/665.19 - Step 6: Final answer
x = 304.48
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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.