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Finding the Fourth Proportional to 614.99, 922.48 and 249.55

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Solution

The fourth proportional to 614.99, 922.48 and 249.55 is: 374.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    614.99 : 922.48 = 249.55 : x
  2. Step 2: Convert to fraction form
    614.99/922.48 = 249.55/x
  3. Step 3: Cross multiply
    614.99x = 922.48 × 249.55
  4. Step 4: Simplify right side
    614.99x = 230,201.95
  5. Step 5: Solve for x
    x = 230,201.95/614.99
  6. Step 6: Final answer
    x = 374.32

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Double scale
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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.