Finding the Fourth Proportional to 341.19, 512.08 and 135.91
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Solution
The fourth proportional to 341.19, 512.08 and 135.91 is: 203.98
Step by Step Solution
- Step 1: Write the proportion equation
341.19 : 512.08 = 135.91 : x - Step 2: Convert to fraction form
341.19/512.08 = 135.91/x - Step 3: Cross multiply
341.19x = 512.08 × 135.91 - Step 4: Simplify right side
341.19x = 69,596.79 - Step 5: Solve for x
x = 69,596.79/341.19 - Step 6: Final answer
x = 203.98
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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.