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Finding the Fourth Proportional to 350.52, 521.79 and 348.66

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Solution

The fourth proportional to 350.52, 521.79 and 348.66 is: 519.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.52 : 521.79 = 348.66 : x
  2. Step 2: Convert to fraction form
    350.52/521.79 = 348.66/x
  3. Step 3: Cross multiply
    350.52x = 521.79 × 348.66
  4. Step 4: Simplify right side
    350.52x = 181,927.30
  5. Step 5: Solve for x
    x = 181,927.30/350.52
  6. Step 6: Final answer
    x = 519.02

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.