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Finding the Fourth Proportional to 348.04, 521.88 and 226.36

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Solution

The fourth proportional to 348.04, 521.88 and 226.36 is: 339.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    348.04 : 521.88 = 226.36 : x
  2. Step 2: Convert to fraction form
    348.04/521.88 = 226.36/x
  3. Step 3: Cross multiply
    348.04x = 521.88 × 226.36
  4. Step 4: Simplify right side
    348.04x = 118,132.76
  5. Step 5: Solve for x
    x = 118,132.76/348.04
  6. Step 6: Final answer
    x = 339.42

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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.