Finding the Fourth Proportional to 358.77, 538.41 and 163.99
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Solution
The fourth proportional to 358.77, 538.41 and 163.99 is: 246.10
Step by Step Solution
- Step 1: Write the proportion equation
358.77 : 538.41 = 163.99 : x - Step 2: Convert to fraction form
358.77/538.41 = 163.99/x - Step 3: Cross multiply
358.77x = 538.41 × 163.99 - Step 4: Simplify right side
358.77x = 88,293.86 - Step 5: Solve for x
x = 88,293.86/358.77 - Step 6: Final answer
x = 246.10
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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.