Finding the Fourth Proportional to 97.99, 146.12 and 93.94
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Solution
The fourth proportional to 97.99, 146.12 and 93.94 is: 140.08
Step by Step Solution
- Step 1: Write the proportion equation
97.99 : 146.12 = 93.94 : x - Step 2: Convert to fraction form
97.99/146.12 = 93.94/x - Step 3: Cross multiply
97.99x = 146.12 × 93.94 - Step 4: Simplify right side
97.99x = 13,726.04 - Step 5: Solve for x
x = 13,726.04/97.99 - Step 6: Final answer
x = 140.08
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.