Finding the Fourth Proportional to 98.04, 135.08 and 94.44
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Solution
The fourth proportional to 98.04, 135.08 and 94.44 is: 130.12
Step by Step Solution
- Step 1: Write the proportion equation
98.04 : 135.08 = 94.44 : x - Step 2: Convert to fraction form
98.04/135.08 = 94.44/x - Step 3: Cross multiply
98.04x = 135.08 × 94.44 - Step 4: Simplify right side
98.04x = 12,756.96 - Step 5: Solve for x
x = 12,756.96/98.04 - Step 6: Final answer
x = 130.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.