Finding the Fourth Proportional to 107.52, 160.95 and 88.08
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Solution
The fourth proportional to 107.52, 160.95 and 88.08 is: 131.85
Step by Step Solution
- Step 1: Write the proportion equation
107.52 : 160.95 = 88.08 : x - Step 2: Convert to fraction form
107.52/160.95 = 88.08/x - Step 3: Cross multiply
107.52x = 160.95 × 88.08 - Step 4: Simplify right side
107.52x = 14,176.48 - Step 5: Solve for x
x = 14,176.48/107.52 - Step 6: Final answer
x = 131.85
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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.