Finding the Fourth Proportional to 155.19, 233.09 and 97.44
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Solution
The fourth proportional to 155.19, 233.09 and 97.44 is: 146.35
Step by Step Solution
- Step 1: Write the proportion equation
155.19 : 233.09 = 97.44 : x - Step 2: Convert to fraction form
155.19/233.09 = 97.44/x - Step 3: Cross multiply
155.19x = 233.09 × 97.44 - Step 4: Simplify right side
155.19x = 22,712.29 - Step 5: Solve for x
x = 22,712.29/155.19 - Step 6: Final answer
x = 146.35
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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.