Finding the Fourth Proportional to 269.08, 403.18 and 106.68
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Solution
The fourth proportional to 269.08, 403.18 and 106.68 is: 159.85
Step by Step Solution
- Step 1: Write the proportion equation
269.08 : 403.18 = 106.68 : x - Step 2: Convert to fraction form
269.08/403.18 = 106.68/x - Step 3: Cross multiply
269.08x = 403.18 × 106.68 - Step 4: Simplify right side
269.08x = 43,011.24 - Step 5: Solve for x
x = 43,011.24/269.08 - Step 6: Final answer
x = 159.85
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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.