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Finding the Fourth Proportional to 650.97, 898.35 and 356.25

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Solution

The fourth proportional to 650.97, 898.35 and 356.25 is: 491.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    650.97 : 898.35 = 356.25 : x
  2. Step 2: Convert to fraction form
    650.97/898.35 = 356.25/x
  3. Step 3: Cross multiply
    650.97x = 898.35 × 356.25
  4. Step 4: Simplify right side
    650.97x = 320,037.19
  5. Step 5: Solve for x
    x = 320,037.19/650.97
  6. Step 6: Final answer
    x = 491.63

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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.