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Finding the Fourth Proportional to 348.75, 526.14 and 339.03

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Solution

The fourth proportional to 348.75, 526.14 and 339.03 is: 511.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    348.75 : 526.14 = 339.03 : x
  2. Step 2: Convert to fraction form
    348.75/526.14 = 339.03/x
  3. Step 3: Cross multiply
    348.75x = 526.14 × 339.03
  4. Step 4: Simplify right side
    348.75x = 178,377.24
  5. Step 5: Solve for x
    x = 178,377.24/348.75
  6. Step 6: Final answer
    x = 511.48

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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.