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Finding the Fourth Proportional to 935.48, 1,401.71 and 523.29

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Solution

The fourth proportional to 935.48, 1,401.71 and 523.29 is: 784.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    935.48 : 1,401.71 = 523.29 : x
  2. Step 2: Convert to fraction form
    935.48/1,401.71 = 523.29/x
  3. Step 3: Cross multiply
    935.48x = 1,401.71 × 523.29
  4. Step 4: Simplify right side
    935.48x = 733,503.47
  5. Step 5: Solve for x
    x = 733,503.47/935.48
  6. Step 6: Final answer
    x = 784.09

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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.