Finding the Fourth Proportional to 340.66, 510.99 and 232.21
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Solution
The fourth proportional to 340.66, 510.99 and 232.21 is: 348.32
Step by Step Solution
- Step 1: Write the proportion equation
340.66 : 510.99 = 232.21 : x - Step 2: Convert to fraction form
340.66/510.99 = 232.21/x - Step 3: Cross multiply
340.66x = 510.99 × 232.21 - Step 4: Simplify right side
340.66x = 118,656.99 - Step 5: Solve for x
x = 118,656.99/340.66 - Step 6: Final answer
x = 348.32
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Double scale
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Similar ratio
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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.