Finding the Fourth Proportional to 384.48, 576.35 and 201.99
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Solution
The fourth proportional to 384.48, 576.35 and 201.99 is: 302.79
Step by Step Solution
- Step 1: Write the proportion equation
384.48 : 576.35 = 201.99 : x - Step 2: Convert to fraction form
384.48/576.35 = 201.99/x - Step 3: Cross multiply
384.48x = 576.35 × 201.99 - Step 4: Simplify right side
384.48x = 116,415.93 - Step 5: Solve for x
x = 116,415.93/384.48 - Step 6: Final answer
x = 302.79
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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.