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Finding the Fourth Proportional to 614.92, 849.54 and 606.28

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Solution

The fourth proportional to 614.92, 849.54 and 606.28 is: 837.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    614.92 : 849.54 = 606.28 : x
  2. Step 2: Convert to fraction form
    614.92/849.54 = 606.28/x
  3. Step 3: Cross multiply
    614.92x = 849.54 × 606.28
  4. Step 4: Simplify right side
    614.92x = 515,059.11
  5. Step 5: Solve for x
    x = 515,059.11/614.92
  6. Step 6: Final answer
    x = 837.60

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Similar ratio
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1.5x scale

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.