Finding the Fourth Proportional to 122.98, 184.70 and 118.08
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Solution
The fourth proportional to 122.98, 184.70 and 118.08 is: 177.34
Step by Step Solution
- Step 1: Write the proportion equation
122.98 : 184.70 = 118.08 : x - Step 2: Convert to fraction form
122.98/184.70 = 118.08/x - Step 3: Cross multiply
122.98x = 184.70 × 118.08 - Step 4: Simplify right side
122.98x = 21,808.79 - Step 5: Solve for x
x = 21,808.79/122.98 - Step 6: Final answer
x = 177.34
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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.