Finding the Fourth Proportional to 118, 162.86 and 88.84
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Solution
The fourth proportional to 118, 162.86 and 88.84 is: 122.61
Step by Step Solution
- Step 1: Write the proportion equation
118 : 162.86 = 88.84 : x - Step 2: Convert to fraction form
118/162.86 = 88.84/x - Step 3: Cross multiply
118x = 162.86 × 88.84 - Step 4: Simplify right side
118x = 14,468.48 - Step 5: Solve for x
x = 14,468.48/118 - Step 6: Final answer
x = 122.61
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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.