Finding the Fourth Proportional to 368.10, 507.93 and 220.68
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Solution
The fourth proportional to 368.10, 507.93 and 220.68 is: 304.51
Step by Step Solution
- Step 1: Write the proportion equation
368.10 : 507.93 = 220.68 : x - Step 2: Convert to fraction form
368.10/507.93 = 220.68/x - Step 3: Cross multiply
368.10x = 507.93 × 220.68 - Step 4: Simplify right side
368.10x = 112,089.99 - Step 5: Solve for x
x = 112,089.99/368.10 - Step 6: Final answer
x = 304.51
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.