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Finding the Fourth Proportional to 604.43, 831.57 and 533.19

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Solution

The fourth proportional to 604.43, 831.57 and 533.19 is: 733.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    604.43 : 831.57 = 533.19 : x
  2. Step 2: Convert to fraction form
    604.43/831.57 = 533.19/x
  3. Step 3: Cross multiply
    604.43x = 831.57 × 533.19
  4. Step 4: Simplify right side
    604.43x = 443,384.81
  5. Step 5: Solve for x
    x = 443,384.81/604.43
  6. Step 6: Final answer
    x = 733.56

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Half scale
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Double scale
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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.