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Finding the Fourth Proportional to 348.82, 526.38 and 346.12

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Solution

The fourth proportional to 348.82, 526.38 and 346.12 is: 522.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    348.82 : 526.38 = 346.12 : x
  2. Step 2: Convert to fraction form
    348.82/526.38 = 346.12/x
  3. Step 3: Cross multiply
    348.82x = 526.38 × 346.12
  4. Step 4: Simplify right side
    348.82x = 182,190.65
  5. Step 5: Solve for x
    x = 182,190.65/348.82
  6. Step 6: Final answer
    x = 522.31

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.