Finding the Fourth Proportional to 135.84, 203.36 and 116.44
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Solution
The fourth proportional to 135.84, 203.36 and 116.44 is: 174.32
Step by Step Solution
- Step 1: Write the proportion equation
135.84 : 203.36 = 116.44 : x - Step 2: Convert to fraction form
135.84/203.36 = 116.44/x - Step 3: Cross multiply
135.84x = 203.36 × 116.44 - Step 4: Simplify right side
135.84x = 23,679.24 - Step 5: Solve for x
x = 23,679.24/135.84 - Step 6: Final answer
x = 174.32
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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.