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Finding the Fourth Proportional to 335.40, 501.96 and 248.88

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Solution

The fourth proportional to 335.40, 501.96 and 248.88 is: 372.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.40 : 501.96 = 248.88 : x
  2. Step 2: Convert to fraction form
    335.40/501.96 = 248.88/x
  3. Step 3: Cross multiply
    335.40x = 501.96 × 248.88
  4. Step 4: Simplify right side
    335.40x = 124,927.80
  5. Step 5: Solve for x
    x = 124,927.80/335.40
  6. Step 6: Final answer
    x = 372.47

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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.