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Finding the Fourth Proportional to 336.66, 504.56 and 192.06

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Solution

The fourth proportional to 336.66, 504.56 and 192.06 is: 287.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.66 : 504.56 = 192.06 : x
  2. Step 2: Convert to fraction form
    336.66/504.56 = 192.06/x
  3. Step 3: Cross multiply
    336.66x = 504.56 × 192.06
  4. Step 4: Simplify right side
    336.66x = 96,905.79
  5. Step 5: Solve for x
    x = 96,905.79/336.66
  6. Step 6: Final answer
    x = 287.84

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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.