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Finding the Fourth Proportional to 337.64, 505.56 and 245.48

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Solution

The fourth proportional to 337.64, 505.56 and 245.48 is: 367.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.64 : 505.56 = 245.48 : x
  2. Step 2: Convert to fraction form
    337.64/505.56 = 245.48/x
  3. Step 3: Cross multiply
    337.64x = 505.56 × 245.48
  4. Step 4: Simplify right side
    337.64x = 124,104.87
  5. Step 5: Solve for x
    x = 124,104.87/337.64
  6. Step 6: Final answer
    x = 367.57

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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.