Finding the Fourth Proportional to 225.99, 338.72 and 103.99
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Solution
The fourth proportional to 225.99, 338.72 and 103.99 is: 155.86
Step by Step Solution
- Step 1: Write the proportion equation
225.99 : 338.72 = 103.99 : x - Step 2: Convert to fraction form
225.99/338.72 = 103.99/x - Step 3: Cross multiply
225.99x = 338.72 × 103.99 - Step 4: Simplify right side
225.99x = 35,223.71 - Step 5: Solve for x
x = 35,223.71/225.99 - Step 6: Final answer
x = 155.86
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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.