Finding the Fourth Proportional to 155.58, 232.68 and 115.08
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Solution
The fourth proportional to 155.58, 232.68 and 115.08 is: 172.11
Step by Step Solution
- Step 1: Write the proportion equation
155.58 : 232.68 = 115.08 : x - Step 2: Convert to fraction form
155.58/232.68 = 115.08/x - Step 3: Cross multiply
155.58x = 232.68 × 115.08 - Step 4: Simplify right side
155.58x = 26,776.81 - Step 5: Solve for x
x = 26,776.81/155.58 - Step 6: Final answer
x = 172.11
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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.