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Finding the Fourth Proportional to 618.23, 927.45 and 293.49

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Solution

The fourth proportional to 618.23, 927.45 and 293.49 is: 440.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    618.23 : 927.45 = 293.49 : x
  2. Step 2: Convert to fraction form
    618.23/927.45 = 293.49/x
  3. Step 3: Cross multiply
    618.23x = 927.45 × 293.49
  4. Step 4: Simplify right side
    618.23x = 272,197.30
  5. Step 5: Solve for x
    x = 272,197.30/618.23
  6. Step 6: Final answer
    x = 440.28

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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.