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Finding the Fourth Proportional to 614.79, 922.19 and 249.58

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Solution

The fourth proportional to 614.79, 922.19 and 249.58 is: 374.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    614.79 : 922.19 = 249.58 : x
  2. Step 2: Convert to fraction form
    614.79/922.19 = 249.58/x
  3. Step 3: Cross multiply
    614.79x = 922.19 × 249.58
  4. Step 4: Simplify right side
    614.79x = 230,160.09
  5. Step 5: Solve for x
    x = 230,160.09/614.79
  6. Step 6: Final answer
    x = 374.37

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.