Finding the Fourth Proportional to 358.49, 536.99 and 345.87
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Solution
The fourth proportional to 358.49, 536.99 and 345.87 is: 518.08
Step by Step Solution
- Step 1: Write the proportion equation
358.49 : 536.99 = 345.87 : x - Step 2: Convert to fraction form
358.49/536.99 = 345.87/x - Step 3: Cross multiply
358.49x = 536.99 × 345.87 - Step 4: Simplify right side
358.49x = 185,727.00 - Step 5: Solve for x
x = 185,727.00/358.49 - Step 6: Final answer
x = 518.08
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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.