Finding the Fourth Proportional to 114.18, 171.27 and 60.05
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Solution
The fourth proportional to 114.18, 171.27 and 60.05 is: 90.07
Step by Step Solution
- Step 1: Write the proportion equation
114.18 : 171.27 = 60.05 : x - Step 2: Convert to fraction form
114.18/171.27 = 60.05/x - Step 3: Cross multiply
114.18x = 171.27 × 60.05 - Step 4: Simplify right side
114.18x = 10,283.91 - Step 5: Solve for x
x = 10,283.91/114.18 - Step 6: Final answer
x = 90.07
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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.