Finding the Fourth Proportional to 89.30, 134 and 37.99
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Solution
The fourth proportional to 89.30, 134 and 37.99 is: 57.01
Step by Step Solution
- Step 1: Write the proportion equation
89.30 : 134 = 37.99 : x - Step 2: Convert to fraction form
89.30/134 = 37.99/x - Step 3: Cross multiply
89.30x = 134 × 37.99 - Step 4: Simplify right side
89.30x = 5,090.66 - Step 5: Solve for x
x = 5,090.66/89.30 - Step 6: Final answer
x = 57.01
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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.