Finding the Fourth Proportional to 134.70, 202.08 and 116.88
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Solution
The fourth proportional to 134.70, 202.08 and 116.88 is: 175.35
Step by Step Solution
- Step 1: Write the proportion equation
134.70 : 202.08 = 116.88 : x - Step 2: Convert to fraction form
134.70/202.08 = 116.88/x - Step 3: Cross multiply
134.70x = 202.08 × 116.88 - Step 4: Simplify right side
134.70x = 23,619.11 - Step 5: Solve for x
x = 23,619.11/134.70 - Step 6: Final answer
x = 175.35
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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.