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Finding the Fourth Proportional to 526.82, 726.60 and 349.46

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Solution

The fourth proportional to 526.82, 726.60 and 349.46 is: 481.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    526.82 : 726.60 = 349.46 : x
  2. Step 2: Convert to fraction form
    526.82/726.60 = 349.46/x
  3. Step 3: Cross multiply
    526.82x = 726.60 × 349.46
  4. Step 4: Simplify right side
    526.82x = 253,914.00
  5. Step 5: Solve for x
    x = 253,914.00/526.82
  6. Step 6: Final answer
    x = 481.98

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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.