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Finding the Fourth Proportional to 524.43, 720.67 and 500.34

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Solution

The fourth proportional to 524.43, 720.67 and 500.34 is: 687.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    524.43 : 720.67 = 500.34 : x
  2. Step 2: Convert to fraction form
    524.43/720.67 = 500.34/x
  3. Step 3: Cross multiply
    524.43x = 720.67 × 500.34
  4. Step 4: Simplify right side
    524.43x = 360,579.48
  5. Step 5: Solve for x
    x = 360,579.48/524.43
  6. Step 6: Final answer
    x = 687.57

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.