Finding the Fourth Proportional to 242.77, 364.42 and 98.59
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Solution
The fourth proportional to 242.77, 364.42 and 98.59 is: 147.99
Step by Step Solution
- Step 1: Write the proportion equation
242.77 : 364.42 = 98.59 : x - Step 2: Convert to fraction form
242.77/364.42 = 98.59/x - Step 3: Cross multiply
242.77x = 364.42 × 98.59 - Step 4: Simplify right side
242.77x = 35,928.17 - Step 5: Solve for x
x = 35,928.17/242.77 - Step 6: Final answer
x = 147.99
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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.