Finding the Fourth Proportional to 96.97, 133.84 and 64.23
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Solution
The fourth proportional to 96.97, 133.84 and 64.23 is: 88.65
Step by Step Solution
- Step 1: Write the proportion equation
96.97 : 133.84 = 64.23 : x - Step 2: Convert to fraction form
96.97/133.84 = 64.23/x - Step 3: Cross multiply
96.97x = 133.84 × 64.23 - Step 4: Simplify right side
96.97x = 8,595.87 - Step 5: Solve for x
x = 8,595.87/96.97 - Step 6: Final answer
x = 88.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.