Finding the Fourth Proportional to 70.26, 97.01 and 53.99
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Solution
The fourth proportional to 70.26, 97.01 and 53.99 is: 74.55
Step by Step Solution
- Step 1: Write the proportion equation
70.26 : 97.01 = 53.99 : x - Step 2: Convert to fraction form
70.26/97.01 = 53.99/x - Step 3: Cross multiply
70.26x = 97.01 × 53.99 - Step 4: Simplify right side
70.26x = 5,237.74 - Step 5: Solve for x
x = 5,237.74/70.26 - Step 6: Final answer
x = 74.55
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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.