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Finding the Fourth Proportional to 435.84, 654.03 and 230.57

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Solution

The fourth proportional to 435.84, 654.03 and 230.57 is: 345.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    435.84 : 654.03 = 230.57 : x
  2. Step 2: Convert to fraction form
    435.84/654.03 = 230.57/x
  3. Step 3: Cross multiply
    435.84x = 654.03 × 230.57
  4. Step 4: Simplify right side
    435.84x = 150,798.93
  5. Step 5: Solve for x
    x = 150,798.93/435.84
  6. Step 6: Final answer
    x = 345.99

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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.