Finding the Fourth Proportional to 40.66, 60.88 and 32.05
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Solution
The fourth proportional to 40.66, 60.88 and 32.05 is: 47.99
Step by Step Solution
- Step 1: Write the proportion equation
40.66 : 60.88 = 32.05 : x - Step 2: Convert to fraction form
40.66/60.88 = 32.05/x - Step 3: Cross multiply
40.66x = 60.88 × 32.05 - Step 4: Simplify right side
40.66x = 1,951.12 - Step 5: Solve for x
x = 1,951.12/40.66 - Step 6: Final answer
x = 47.99
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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.