Finding the Fourth Proportional to 153.24, 229.91 and 61.99
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Solution
The fourth proportional to 153.24, 229.91 and 61.99 is: 93.01
Step by Step Solution
- Step 1: Write the proportion equation
153.24 : 229.91 = 61.99 : x - Step 2: Convert to fraction form
153.24/229.91 = 61.99/x - Step 3: Cross multiply
153.24x = 229.91 × 61.99 - Step 4: Simplify right side
153.24x = 14,252.41 - Step 5: Solve for x
x = 14,252.41/153.24 - Step 6: Final answer
x = 93.01
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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.