Finding the Fourth Proportional to 98.24, 135.61 and 69.08
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Solution
The fourth proportional to 98.24, 135.61 and 69.08 is: 95.35
Step by Step Solution
- Step 1: Write the proportion equation
98.24 : 135.61 = 69.08 : x - Step 2: Convert to fraction form
98.24/135.61 = 69.08/x - Step 3: Cross multiply
98.24x = 135.61 × 69.08 - Step 4: Simplify right side
98.24x = 9,367.09 - Step 5: Solve for x
x = 9,367.09/98.24 - Step 6: Final answer
x = 95.35
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.