Finding the Fourth Proportional to 368.77, 508.93 and 202.98
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Solution
The fourth proportional to 368.77, 508.93 and 202.98 is: 280.13
Step by Step Solution
- Step 1: Write the proportion equation
368.77 : 508.93 = 202.98 : x - Step 2: Convert to fraction form
368.77/508.93 = 202.98/x - Step 3: Cross multiply
368.77x = 508.93 × 202.98 - Step 4: Simplify right side
368.77x = 103,302.44 - Step 5: Solve for x
x = 103,302.44/368.77 - Step 6: Final answer
x = 280.13
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.