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Finding the Fourth Proportional to 348.37, 520.51 and 336.26

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Solution

The fourth proportional to 348.37, 520.51 and 336.26 is: 502.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    348.37 : 520.51 = 336.26 : x
  2. Step 2: Convert to fraction form
    348.37/520.51 = 336.26/x
  3. Step 3: Cross multiply
    348.37x = 520.51 × 336.26
  4. Step 4: Simplify right side
    348.37x = 175,025.01
  5. Step 5: Solve for x
    x = 175,025.01/348.37
  6. Step 6: Final answer
    x = 502.42

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.