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Finding the Fourth Proportional to 650.79, 898.12 and 371.08

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Solution

The fourth proportional to 650.79, 898.12 and 371.08 is: 512.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    650.79 : 898.12 = 371.08 : x
  2. Step 2: Convert to fraction form
    650.79/898.12 = 371.08/x
  3. Step 3: Cross multiply
    650.79x = 898.12 × 371.08
  4. Step 4: Simplify right side
    650.79x = 333,274.37
  5. Step 5: Solve for x
    x = 333,274.37/650.79
  6. Step 6: Final answer
    x = 512.11

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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.