Finding the Fourth Proportional to 106.79, 147.28 and 94.99
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Solution
The fourth proportional to 106.79, 147.28 and 94.99 is: 131.00
Step by Step Solution
- Step 1: Write the proportion equation
106.79 : 147.28 = 94.99 : x - Step 2: Convert to fraction form
106.79/147.28 = 94.99/x - Step 3: Cross multiply
106.79x = 147.28 × 94.99 - Step 4: Simplify right side
106.79x = 13,989.65 - Step 5: Solve for x
x = 13,989.65/106.79 - Step 6: Final answer
x = 131.00
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.