Finding the Fourth Proportional to 96.52, 132.99 and 78.98
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Solution
The fourth proportional to 96.52, 132.99 and 78.98 is: 108.82
Step by Step Solution
- Step 1: Write the proportion equation
96.52 : 132.99 = 78.98 : x - Step 2: Convert to fraction form
96.52/132.99 = 78.98/x - Step 3: Cross multiply
96.52x = 132.99 × 78.98 - Step 4: Simplify right side
96.52x = 10,503.03 - Step 5: Solve for x
x = 10,503.03/96.52 - Step 6: Final answer
x = 108.82
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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.