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Finding the Fourth Proportional to 373.26, 556.48 and 349.76

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Solution

The fourth proportional to 373.26, 556.48 and 349.76 is: 521.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.26 : 556.48 = 349.76 : x
  2. Step 2: Convert to fraction form
    373.26/556.48 = 349.76/x
  3. Step 3: Cross multiply
    373.26x = 556.48 × 349.76
  4. Step 4: Simplify right side
    373.26x = 194,634.44
  5. Step 5: Solve for x
    x = 194,634.44/373.26
  6. Step 6: Final answer
    x = 521.44

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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.