Finding the Fourth Proportional to 371.58, 556.89 and 188.82
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Solution
The fourth proportional to 371.58, 556.89 and 188.82 is: 282.99
Step by Step Solution
- Step 1: Write the proportion equation
371.58 : 556.89 = 188.82 : x - Step 2: Convert to fraction form
371.58/556.89 = 188.82/x - Step 3: Cross multiply
371.58x = 556.89 × 188.82 - Step 4: Simplify right side
371.58x = 105,151.97 - Step 5: Solve for x
x = 105,151.97/371.58 - Step 6: Final answer
x = 282.99
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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.