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Finding the Fourth Proportional to 336.75, 504.07 and 259.51

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Solution

The fourth proportional to 336.75, 504.07 and 259.51 is: 388.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.75 : 504.07 = 259.51 : x
  2. Step 2: Convert to fraction form
    336.75/504.07 = 259.51/x
  3. Step 3: Cross multiply
    336.75x = 504.07 × 259.51
  4. Step 4: Simplify right side
    336.75x = 130,811.21
  5. Step 5: Solve for x
    x = 130,811.21/336.75
  6. Step 6: Final answer
    x = 388.46

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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.