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Finding the Fourth Proportional to 517.02, 713.45 and 295.94

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Solution

The fourth proportional to 517.02, 713.45 and 295.94 is: 408.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    517.02 : 713.45 = 295.94 : x
  2. Step 2: Convert to fraction form
    517.02/713.45 = 295.94/x
  3. Step 3: Cross multiply
    517.02x = 713.45 × 295.94
  4. Step 4: Simplify right side
    517.02x = 211,133.35
  5. Step 5: Solve for x
    x = 211,133.35/517.02
  6. Step 6: Final answer
    x = 408.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.