Finding the Fourth Proportional to 140.99, 211.54 and 63.99
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Solution
The fourth proportional to 140.99, 211.54 and 63.99 is: 96.01
Step by Step Solution
- Step 1: Write the proportion equation
140.99 : 211.54 = 63.99 : x - Step 2: Convert to fraction form
140.99/211.54 = 63.99/x - Step 3: Cross multiply
140.99x = 211.54 × 63.99 - Step 4: Simplify right side
140.99x = 13,536.28 - Step 5: Solve for x
x = 13,536.28/140.99 - Step 6: Final answer
x = 96.01
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.