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Finding the Fourth Proportional to 541.83, 812.61 and 335.64

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Solution

The fourth proportional to 541.83, 812.61 and 335.64 is: 503.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    541.83 : 812.61 = 335.64 : x
  2. Step 2: Convert to fraction form
    541.83/812.61 = 335.64/x
  3. Step 3: Cross multiply
    541.83x = 812.61 × 335.64
  4. Step 4: Simplify right side
    541.83x = 272,744.42
  5. Step 5: Solve for x
    x = 272,744.42/541.83
  6. Step 6: Final answer
    x = 503.38

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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.