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Finding the Fourth Proportional to 604.13, 905.34 and 340.34

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Solution

The fourth proportional to 604.13, 905.34 and 340.34 is: 510.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    604.13 : 905.34 = 340.34 : x
  2. Step 2: Convert to fraction form
    604.13/905.34 = 340.34/x
  3. Step 3: Cross multiply
    604.13x = 905.34 × 340.34
  4. Step 4: Simplify right side
    604.13x = 308,118.89
  5. Step 5: Solve for x
    x = 308,118.89/604.13
  6. Step 6: Final answer
    x = 510.03

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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.