Finding the Fourth Proportional to 976, 1,464 and 292
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Solution
The fourth proportional to 976, 1,464 and 292 is: 438
Step by Step Solution
- Step 1: Write the proportion equation
976 : 1,464 = 292 : x - Step 2: Convert to fraction form
976/1,464 = 292/x - Step 3: Cross multiply
976x = 1,464 × 292 - Step 4: Simplify right side
976x = 427,488 - Step 5: Solve for x
x = 427,488/976 - Step 6: Final answer
x = 438
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.