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Finding the Fourth Proportional to 675.99, 932.94 and 634.28

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Solution

The fourth proportional to 675.99, 932.94 and 634.28 is: 875.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    675.99 : 932.94 = 634.28 : x
  2. Step 2: Convert to fraction form
    675.99/932.94 = 634.28/x
  3. Step 3: Cross multiply
    675.99x = 932.94 × 634.28
  4. Step 4: Simplify right side
    675.99x = 591,740.52
  5. Step 5: Solve for x
    x = 591,740.52/675.99
  6. Step 6: Final answer
    x = 875.37

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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.