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Finding the Fourth Proportional to 409.66, 614.59 and 337.37

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Solution

The fourth proportional to 409.66, 614.59 and 337.37 is: 506.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    409.66 : 614.59 = 337.37 : x
  2. Step 2: Convert to fraction form
    409.66/614.59 = 337.37/x
  3. Step 3: Cross multiply
    409.66x = 614.59 × 337.37
  4. Step 4: Simplify right side
    409.66x = 207,340.31
  5. Step 5: Solve for x
    x = 207,340.31/409.66
  6. Step 6: Final answer
    x = 506.13

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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.