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Finding the Fourth Proportional to 346.98, 521.25 and 333.15

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Solution

The fourth proportional to 346.98, 521.25 and 333.15 is: 500.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    346.98 : 521.25 = 333.15 : x
  2. Step 2: Convert to fraction form
    346.98/521.25 = 333.15/x
  3. Step 3: Cross multiply
    346.98x = 521.25 × 333.15
  4. Step 4: Simplify right side
    346.98x = 173,654.44
  5. Step 5: Solve for x
    x = 173,654.44/346.98
  6. Step 6: Final answer
    x = 500.47

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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.