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Finding the Fourth Proportional to 523.55, 722.82 and 337.11

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Solution

The fourth proportional to 523.55, 722.82 and 337.11 is: 465.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    523.55 : 722.82 = 337.11 : x
  2. Step 2: Convert to fraction form
    523.55/722.82 = 337.11/x
  3. Step 3: Cross multiply
    523.55x = 722.82 × 337.11
  4. Step 4: Simplify right side
    523.55x = 243,669.85
  5. Step 5: Solve for x
    x = 243,669.85/523.55
  6. Step 6: Final answer
    x = 465.42

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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.