Finding the Fourth Proportional to 135.59, 202.97 and 98.88
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Solution
The fourth proportional to 135.59, 202.97 and 98.88 is: 148.02
Step by Step Solution
- Step 1: Write the proportion equation
135.59 : 202.97 = 98.88 : x - Step 2: Convert to fraction form
135.59/202.97 = 98.88/x - Step 3: Cross multiply
135.59x = 202.97 × 98.88 - Step 4: Simplify right side
135.59x = 20,069.18 - Step 5: Solve for x
x = 20,069.18/135.59 - Step 6: Final answer
x = 148.02
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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.