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Finding the Fourth Proportional to 618.67, 927.06 and 293.32

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Solution

The fourth proportional to 618.67, 927.06 and 293.32 is: 439.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    618.67 : 927.06 = 293.32 : x
  2. Step 2: Convert to fraction form
    618.67/927.06 = 293.32/x
  3. Step 3: Cross multiply
    618.67x = 927.06 × 293.32
  4. Step 4: Simplify right side
    618.67x = 271,925.24
  5. Step 5: Solve for x
    x = 271,925.24/618.67
  6. Step 6: Final answer
    x = 439.53

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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.