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Finding the Fourth Proportional to 471.60, 651.13 and 353.84

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Solution

The fourth proportional to 471.60, 651.13 and 353.84 is: 488.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    471.60 : 651.13 = 353.84 : x
  2. Step 2: Convert to fraction form
    471.60/651.13 = 353.84/x
  3. Step 3: Cross multiply
    471.60x = 651.13 × 353.84
  4. Step 4: Simplify right side
    471.60x = 230,391.70
  5. Step 5: Solve for x
    x = 230,391.70/471.60
  6. Step 6: Final answer
    x = 488.53

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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.