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Finding the Fourth Proportional to 452.88, 679.86 and 350.28

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Solution

The fourth proportional to 452.88, 679.86 and 350.28 is: 525.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    452.88 : 679.86 = 350.28 : x
  2. Step 2: Convert to fraction form
    452.88/679.86 = 350.28/x
  3. Step 3: Cross multiply
    452.88x = 679.86 × 350.28
  4. Step 4: Simplify right side
    452.88x = 238,141.36
  5. Step 5: Solve for x
    x = 238,141.36/452.88
  6. Step 6: Final answer
    x = 525.84

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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.