Finding the Fourth Proportional to 147.08, 202.94 and 88.88
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Solution
The fourth proportional to 147.08, 202.94 and 88.88 is: 122.64
Step by Step Solution
- Step 1: Write the proportion equation
147.08 : 202.94 = 88.88 : x - Step 2: Convert to fraction form
147.08/202.94 = 88.88/x - Step 3: Cross multiply
147.08x = 202.94 × 88.88 - Step 4: Simplify right side
147.08x = 18,037.31 - Step 5: Solve for x
x = 18,037.31/147.08 - Step 6: Final answer
x = 122.64
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.