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Finding the Fourth Proportional to 350.08, 482.52 and 245.20

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Solution

The fourth proportional to 350.08, 482.52 and 245.20 is: 337.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.08 : 482.52 = 245.20 : x
  2. Step 2: Convert to fraction form
    350.08/482.52 = 245.20/x
  3. Step 3: Cross multiply
    350.08x = 482.52 × 245.20
  4. Step 4: Simplify right side
    350.08x = 118,313.90
  5. Step 5: Solve for x
    x = 118,313.90/350.08
  6. Step 6: Final answer
    x = 337.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.