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Finding the Fourth Proportional to 675.50, 927.06 and 657.26

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Solution

The fourth proportional to 675.50, 927.06 and 657.26 is: 902.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    675.50 : 927.06 = 657.26 : x
  2. Step 2: Convert to fraction form
    675.50/927.06 = 657.26/x
  3. Step 3: Cross multiply
    675.50x = 927.06 × 657.26
  4. Step 4: Simplify right side
    675.50x = 609,319.46
  5. Step 5: Solve for x
    x = 609,319.46/675.50
  6. Step 6: Final answer
    x = 902.03

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.