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Finding the Fourth Proportional to 348.07, 479.24 and 295.50

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Solution

The fourth proportional to 348.07, 479.24 and 295.50 is: 406.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    348.07 : 479.24 = 295.50 : x
  2. Step 2: Convert to fraction form
    348.07/479.24 = 295.50/x
  3. Step 3: Cross multiply
    348.07x = 479.24 × 295.50
  4. Step 4: Simplify right side
    348.07x = 141,614.20
  5. Step 5: Solve for x
    x = 141,614.20/348.07
  6. Step 6: Final answer
    x = 406.86

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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.