Finding the Fourth Proportional to 188.96, 282.08 and 176
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Solution
The fourth proportional to 188.96, 282.08 and 176 is: 262.73
Step by Step Solution
- Step 1: Write the proportion equation
188.96 : 282.08 = 176 : x - Step 2: Convert to fraction form
188.96/282.08 = 176/x - Step 3: Cross multiply
188.96x = 282.08 × 176 - Step 4: Simplify right side
188.96x = 49,646.08 - Step 5: Solve for x
x = 49,646.08/188.96 - Step 6: Final answer
x = 262.73
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.