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Finding the Fourth Proportional to 433.65, 598.31 and 247.13

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Solution

The fourth proportional to 433.65, 598.31 and 247.13 is: 340.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    433.65 : 598.31 = 247.13 : x
  2. Step 2: Convert to fraction form
    433.65/598.31 = 247.13/x
  3. Step 3: Cross multiply
    433.65x = 598.31 × 247.13
  4. Step 4: Simplify right side
    433.65x = 147,860.61
  5. Step 5: Solve for x
    x = 147,860.61/433.65
  6. Step 6: Final answer
    x = 340.97

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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.