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Finding the Fourth Proportional to 517.24, 713.10 and 377.38

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Solution

The fourth proportional to 517.24, 713.10 and 377.38 is: 520.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    517.24 : 713.10 = 377.38 : x
  2. Step 2: Convert to fraction form
    517.24/713.10 = 377.38/x
  3. Step 3: Cross multiply
    517.24x = 713.10 × 377.38
  4. Step 4: Simplify right side
    517.24x = 269,109.68
  5. Step 5: Solve for x
    x = 269,109.68/517.24
  6. Step 6: Final answer
    x = 520.28

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Double scale
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1.5x scale

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.