Finding the Fourth Proportional to 203.74, 305.02 and 155.18
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Solution
The fourth proportional to 203.74, 305.02 and 155.18 is: 232.32
Step by Step Solution
- Step 1: Write the proportion equation
203.74 : 305.02 = 155.18 : x - Step 2: Convert to fraction form
203.74/305.02 = 155.18/x - Step 3: Cross multiply
203.74x = 305.02 × 155.18 - Step 4: Simplify right side
203.74x = 47,331.67 - Step 5: Solve for x
x = 47,331.67/203.74 - Step 6: Final answer
x = 232.32
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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.