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Finding the Fourth Proportional to 675.96, 930.06 and 656.52

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Solution

The fourth proportional to 675.96, 930.06 and 656.52 is: 903.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    675.96 : 930.06 = 656.52 : x
  2. Step 2: Convert to fraction form
    675.96/930.06 = 656.52/x
  3. Step 3: Cross multiply
    675.96x = 930.06 × 656.52
  4. Step 4: Simplify right side
    675.96x = 610,602.99
  5. Step 5: Solve for x
    x = 610,602.99/675.96
  6. Step 6: Final answer
    x = 903.31

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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.