Finding the Fourth Proportional to 135.91, 203.96 and 63.77
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Solution
The fourth proportional to 135.91, 203.96 and 63.77 is: 95.70
Step by Step Solution
- Step 1: Write the proportion equation
135.91 : 203.96 = 63.77 : x - Step 2: Convert to fraction form
135.91/203.96 = 63.77/x - Step 3: Cross multiply
135.91x = 203.96 × 63.77 - Step 4: Simplify right side
135.91x = 13,006.53 - Step 5: Solve for x
x = 13,006.53/135.91 - Step 6: Final answer
x = 95.70
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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.