Finding the Fourth Proportional to 135.48, 203.44 and 106.68
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Solution
The fourth proportional to 135.48, 203.44 and 106.68 is: 160.19
Step by Step Solution
- Step 1: Write the proportion equation
135.48 : 203.44 = 106.68 : x - Step 2: Convert to fraction form
135.48/203.44 = 106.68/x - Step 3: Cross multiply
135.48x = 203.44 × 106.68 - Step 4: Simplify right side
135.48x = 21,702.98 - Step 5: Solve for x
x = 21,702.98/135.48 - Step 6: Final answer
x = 160.19
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.