Finding the Fourth Proportional to 145.99, 201.37 and 96.93
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Solution
The fourth proportional to 145.99, 201.37 and 96.93 is: 133.70
Step by Step Solution
- Step 1: Write the proportion equation
145.99 : 201.37 = 96.93 : x - Step 2: Convert to fraction form
145.99/201.37 = 96.93/x - Step 3: Cross multiply
145.99x = 201.37 × 96.93 - Step 4: Simplify right side
145.99x = 19,518.79 - Step 5: Solve for x
x = 19,518.79/145.99 - Step 6: Final answer
x = 133.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.