Finding the Fourth Proportional to 135.97, 203.99 and 63.88
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Solution
The fourth proportional to 135.97, 203.99 and 63.88 is: 95.83
Step by Step Solution
- Step 1: Write the proportion equation
135.97 : 203.99 = 63.88 : x - Step 2: Convert to fraction form
135.97/203.99 = 63.88/x - Step 3: Cross multiply
135.97x = 203.99 × 63.88 - Step 4: Simplify right side
135.97x = 13,030.05 - Step 5: Solve for x
x = 13,030.05/135.97 - Step 6: Final answer
x = 95.83
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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.