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Finding the Fourth Proportional to 531.05, 796.58 and 453.51

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Solution

The fourth proportional to 531.05, 796.58 and 453.51 is: 680.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    531.05 : 796.58 = 453.51 : x
  2. Step 2: Convert to fraction form
    531.05/796.58 = 453.51/x
  3. Step 3: Cross multiply
    531.05x = 796.58 × 453.51
  4. Step 4: Simplify right side
    531.05x = 361,254.73
  5. Step 5: Solve for x
    x = 361,254.73/531.05
  6. Step 6: Final answer
    x = 680.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.