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Finding the Fourth Proportional to 240.84, 332.71 and 186.28

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Solution

The fourth proportional to 240.84, 332.71 and 186.28 is: 257.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.84 : 332.71 = 186.28 : x
  2. Step 2: Convert to fraction form
    240.84/332.71 = 186.28/x
  3. Step 3: Cross multiply
    240.84x = 332.71 × 186.28
  4. Step 4: Simplify right side
    240.84x = 61,975.92
  5. Step 5: Solve for x
    x = 61,975.92/240.84
  6. Step 6: Final answer
    x = 257.33

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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.