Finding the Fourth Proportional to 368.93, 552.93 and 313.91
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Solution
The fourth proportional to 368.93, 552.93 and 313.91 is: 470.47
Step by Step Solution
- Step 1: Write the proportion equation
368.93 : 552.93 = 313.91 : x - Step 2: Convert to fraction form
368.93/552.93 = 313.91/x - Step 3: Cross multiply
368.93x = 552.93 × 313.91 - Step 4: Simplify right side
368.93x = 173,570.26 - Step 5: Solve for x
x = 173,570.26/368.93 - Step 6: Final answer
x = 470.47
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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.