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Finding the Fourth Proportional to 348.16, 479.37 and 295.60

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Solution

The fourth proportional to 348.16, 479.37 and 295.60 is: 406.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    348.16 : 479.37 = 295.60 : x
  2. Step 2: Convert to fraction form
    348.16/479.37 = 295.60/x
  3. Step 3: Cross multiply
    348.16x = 479.37 × 295.60
  4. Step 4: Simplify right side
    348.16x = 141,697.90
  5. Step 5: Solve for x
    x = 141,697.90/348.16
  6. Step 6: Final answer
    x = 406.99

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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.