Finding the Fourth Proportional to 188.68, 282.99 and 58.68
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Solution
The fourth proportional to 188.68, 282.99 and 58.68 is: 88.01
Step by Step Solution
- Step 1: Write the proportion equation
188.68 : 282.99 = 58.68 : x - Step 2: Convert to fraction form
188.68/282.99 = 58.68/x - Step 3: Cross multiply
188.68x = 282.99 × 58.68 - Step 4: Simplify right side
188.68x = 16,605.85 - Step 5: Solve for x
x = 16,605.85/188.68 - Step 6: Final answer
x = 88.01
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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.