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Finding the Fourth Proportional to 541.81, 812.04 and 268.23

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Solution

The fourth proportional to 541.81, 812.04 and 268.23 is: 402.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    541.81 : 812.04 = 268.23 : x
  2. Step 2: Convert to fraction form
    541.81/812.04 = 268.23/x
  3. Step 3: Cross multiply
    541.81x = 812.04 × 268.23
  4. Step 4: Simplify right side
    541.81x = 217,813.49
  5. Step 5: Solve for x
    x = 217,813.49/541.81
  6. Step 6: Final answer
    x = 402.01

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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.