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Finding the Fourth Proportional to 471.93, 651.33 and 275.41

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Solution

The fourth proportional to 471.93, 651.33 and 275.41 is: 380.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    471.93 : 651.33 = 275.41 : x
  2. Step 2: Convert to fraction form
    471.93/651.33 = 275.41/x
  3. Step 3: Cross multiply
    471.93x = 651.33 × 275.41
  4. Step 4: Simplify right side
    471.93x = 179,382.80
  5. Step 5: Solve for x
    x = 179,382.80/471.93
  6. Step 6: Final answer
    x = 380.10

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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.