Finding the Fourth Proportional to 157.19, 235.84 and 59.75
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Solution
The fourth proportional to 157.19, 235.84 and 59.75 is: 89.65
Step by Step Solution
- Step 1: Write the proportion equation
157.19 : 235.84 = 59.75 : x - Step 2: Convert to fraction form
157.19/235.84 = 59.75/x - Step 3: Cross multiply
157.19x = 235.84 × 59.75 - Step 4: Simplify right side
157.19x = 14,091.44 - Step 5: Solve for x
x = 14,091.44/157.19 - Step 6: Final answer
x = 89.65
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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.