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Finding the Fourth Proportional to 525.82, 788.99 and 372.73

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Solution

The fourth proportional to 525.82, 788.99 and 372.73 is: 559.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    525.82 : 788.99 = 372.73 : x
  2. Step 2: Convert to fraction form
    525.82/788.99 = 372.73/x
  3. Step 3: Cross multiply
    525.82x = 788.99 × 372.73
  4. Step 4: Simplify right side
    525.82x = 294,080.24
  5. Step 5: Solve for x
    x = 294,080.24/525.82
  6. Step 6: Final answer
    x = 559.28

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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.