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Finding the Fourth Proportional to 436.04, 652.65 and 230.31

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Solution

The fourth proportional to 436.04, 652.65 and 230.31 is: 344.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    436.04 : 652.65 = 230.31 : x
  2. Step 2: Convert to fraction form
    436.04/652.65 = 230.31/x
  3. Step 3: Cross multiply
    436.04x = 652.65 × 230.31
  4. Step 4: Simplify right side
    436.04x = 150,311.82
  5. Step 5: Solve for x
    x = 150,311.82/436.04
  6. Step 6: Final answer
    x = 344.72

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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.