Finding the Fourth Proportional to 177.68, 245.18 and 98.99
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Solution
The fourth proportional to 177.68, 245.18 and 98.99 is: 136.60
Step by Step Solution
- Step 1: Write the proportion equation
177.68 : 245.18 = 98.99 : x - Step 2: Convert to fraction form
177.68/245.18 = 98.99/x - Step 3: Cross multiply
177.68x = 245.18 × 98.99 - Step 4: Simplify right side
177.68x = 24,271.20 - Step 5: Solve for x
x = 24,271.20/177.68 - Step 6: Final answer
x = 136.60
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.