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Finding the Fourth Proportional to 604.65, 907.38 and 234.80

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Solution

The fourth proportional to 604.65, 907.38 and 234.80 is: 352.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    604.65 : 907.38 = 234.80 : x
  2. Step 2: Convert to fraction form
    604.65/907.38 = 234.80/x
  3. Step 3: Cross multiply
    604.65x = 907.38 × 234.80
  4. Step 4: Simplify right side
    604.65x = 213,048.29
  5. Step 5: Solve for x
    x = 213,048.29/604.65
  6. Step 6: Final answer
    x = 352.35

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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.