Finding the Fourth Proportional to 342.99, 511.23 and 323.53
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Solution
The fourth proportional to 342.99, 511.23 and 323.53 is: 482.22
Step by Step Solution
- Step 1: Write the proportion equation
342.99 : 511.23 = 323.53 : x - Step 2: Convert to fraction form
342.99/511.23 = 323.53/x - Step 3: Cross multiply
342.99x = 511.23 × 323.53 - Step 4: Simplify right side
342.99x = 165,398.24 - Step 5: Solve for x
x = 165,398.24/342.99 - Step 6: Final answer
x = 482.22
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.