Finding the Fourth Proportional to 245.99, 368.99 and 91.93
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Solution
The fourth proportional to 245.99, 368.99 and 91.93 is: 137.90
Step by Step Solution
- Step 1: Write the proportion equation
245.99 : 368.99 = 91.93 : x - Step 2: Convert to fraction form
245.99/368.99 = 91.93/x - Step 3: Cross multiply
245.99x = 368.99 × 91.93 - Step 4: Simplify right side
245.99x = 33,921.25 - Step 5: Solve for x
x = 33,921.25/245.99 - Step 6: Final answer
x = 137.90
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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.