Finding the Fourth Proportional to 114.58, 171.95 and 106.99
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Solution
The fourth proportional to 114.58, 171.95 and 106.99 is: 160.55
Step by Step Solution
- Step 1: Write the proportion equation
114.58 : 171.95 = 106.99 : x - Step 2: Convert to fraction form
114.58/171.95 = 106.99/x - Step 3: Cross multiply
114.58x = 171.95 × 106.99 - Step 4: Simplify right side
114.58x = 18,395.97 - Step 5: Solve for x
x = 18,395.97/114.58 - Step 6: Final answer
x = 160.55
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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.