Finding the Fourth Proportional to 97.14, 145.77 and 93.70
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Solution
The fourth proportional to 97.14, 145.77 and 93.70 is: 140.60
Step by Step Solution
- Step 1: Write the proportion equation
97.14 : 145.77 = 93.70 : x - Step 2: Convert to fraction form
97.14/145.77 = 93.70/x - Step 3: Cross multiply
97.14x = 145.77 × 93.70 - Step 4: Simplify right side
97.14x = 13,658.48 - Step 5: Solve for x
x = 13,658.48/97.14 - Step 6: Final answer
x = 140.60
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.