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Finding the Fourth Proportional to 433.56, 598.28 and 247.04

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Solution

The fourth proportional to 433.56, 598.28 and 247.04 is: 340.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    433.56 : 598.28 = 247.04 : x
  2. Step 2: Convert to fraction form
    433.56/598.28 = 247.04/x
  3. Step 3: Cross multiply
    433.56x = 598.28 × 247.04
  4. Step 4: Simplify right side
    433.56x = 147,799.09
  5. Step 5: Solve for x
    x = 147,799.09/433.56
  6. Step 6: Final answer
    x = 340.90

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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.