Finding the Fourth Proportional to 64.74, 97.10 and 26.19
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Solution
The fourth proportional to 64.74, 97.10 and 26.19 is: 39.28
Step by Step Solution
- Step 1: Write the proportion equation
64.74 : 97.10 = 26.19 : x - Step 2: Convert to fraction form
64.74/97.10 = 26.19/x - Step 3: Cross multiply
64.74x = 97.10 × 26.19 - Step 4: Simplify right side
64.74x = 2,543.05 - Step 5: Solve for x
x = 2,543.05/64.74 - Step 6: Final answer
x = 39.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.