Finding the Fourth Proportional to 114.08, 157.44 and 93.44
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Solution
The fourth proportional to 114.08, 157.44 and 93.44 is: 128.96
Step by Step Solution
- Step 1: Write the proportion equation
114.08 : 157.44 = 93.44 : x - Step 2: Convert to fraction form
114.08/157.44 = 93.44/x - Step 3: Cross multiply
114.08x = 157.44 × 93.44 - Step 4: Simplify right side
114.08x = 14,711.19 - Step 5: Solve for x
x = 14,711.19/114.08 - Step 6: Final answer
x = 128.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.