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Finding the Fourth Proportional to 525.28, 791.61 and 500.58

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Solution

The fourth proportional to 525.28, 791.61 and 500.58 is: 754.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    525.28 : 791.61 = 500.58 : x
  2. Step 2: Convert to fraction form
    525.28/791.61 = 500.58/x
  3. Step 3: Cross multiply
    525.28x = 791.61 × 500.58
  4. Step 4: Simplify right side
    525.28x = 396,264.13
  5. Step 5: Solve for x
    x = 396,264.13/525.28
  6. Step 6: Final answer
    x = 754.39

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.