Finding the Fourth Proportional to 166.07, 229.23 and 100.58
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Solution
The fourth proportional to 166.07, 229.23 and 100.58 is: 138.83
Step by Step Solution
- Step 1: Write the proportion equation
166.07 : 229.23 = 100.58 : x - Step 2: Convert to fraction form
166.07/229.23 = 100.58/x - Step 3: Cross multiply
166.07x = 229.23 × 100.58 - Step 4: Simplify right side
166.07x = 23,054.81 - Step 5: Solve for x
x = 23,054.81/166.07 - Step 6: Final answer
x = 138.83
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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.