Finding the Fourth Proportional to 94.95, 130.99 and 63.88
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Solution
The fourth proportional to 94.95, 130.99 and 63.88 is: 88.12
Step by Step Solution
- Step 1: Write the proportion equation
94.95 : 130.99 = 63.88 : x - Step 2: Convert to fraction form
94.95/130.99 = 63.88/x - Step 3: Cross multiply
94.95x = 130.99 × 63.88 - Step 4: Simplify right side
94.95x = 8,366.67 - Step 5: Solve for x
x = 8,366.67/94.95 - Step 6: Final answer
x = 88.12
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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.