Finding the Fourth Proportional to 40.33, 60.45 and 37.99
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Solution
The fourth proportional to 40.33, 60.45 and 37.99 is: 56.94
Step by Step Solution
- Step 1: Write the proportion equation
40.33 : 60.45 = 37.99 : x - Step 2: Convert to fraction form
40.33/60.45 = 37.99/x - Step 3: Cross multiply
40.33x = 60.45 × 37.99 - Step 4: Simplify right side
40.33x = 2,296.50 - Step 5: Solve for x
x = 2,296.50/40.33 - Step 6: Final answer
x = 56.94
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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.