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Finding the Fourth Proportional to 332.84, 499.26 and 188.26

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Solution

The fourth proportional to 332.84, 499.26 and 188.26 is: 282.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.84 : 499.26 = 188.26 : x
  2. Step 2: Convert to fraction form
    332.84/499.26 = 188.26/x
  3. Step 3: Cross multiply
    332.84x = 499.26 × 188.26
  4. Step 4: Simplify right side
    332.84x = 93,990.69
  5. Step 5: Solve for x
    x = 93,990.69/332.84
  6. Step 6: Final answer
    x = 282.39

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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.