Finding the Fourth Proportional to 94.97, 130.99 and 62.18
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Solution
The fourth proportional to 94.97, 130.99 and 62.18 is: 85.76
Step by Step Solution
- Step 1: Write the proportion equation
94.97 : 130.99 = 62.18 : x - Step 2: Convert to fraction form
94.97/130.99 = 62.18/x - Step 3: Cross multiply
94.97x = 130.99 × 62.18 - Step 4: Simplify right side
94.97x = 8,144.96 - Step 5: Solve for x
x = 8,144.96/94.97 - Step 6: Final answer
x = 85.76
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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.