Finding the Fourth Proportional to 155.21, 232.84 and 59.02
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Solution
The fourth proportional to 155.21, 232.84 and 59.02 is: 88.53
Step by Step Solution
- Step 1: Write the proportion equation
155.21 : 232.84 = 59.02 : x - Step 2: Convert to fraction form
155.21/232.84 = 59.02/x - Step 3: Cross multiply
155.21x = 232.84 × 59.02 - Step 4: Simplify right side
155.21x = 13,741.05 - Step 5: Solve for x
x = 13,741.05/155.21 - Step 6: Final answer
x = 88.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.