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Finding the Fourth Proportional to 532.98, 799.43 and 186.30

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Solution

The fourth proportional to 532.98, 799.43 and 186.30 is: 279.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.98 : 799.43 = 186.30 : x
  2. Step 2: Convert to fraction form
    532.98/799.43 = 186.30/x
  3. Step 3: Cross multiply
    532.98x = 799.43 × 186.30
  4. Step 4: Simplify right side
    532.98x = 148,932.88
  5. Step 5: Solve for x
    x = 148,932.88/532.98
  6. Step 6: Final answer
    x = 279.43

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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.