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Finding the Fourth Proportional to 541.37, 812.36 and 228.99

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Solution

The fourth proportional to 541.37, 812.36 and 228.99 is: 343.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    541.37 : 812.36 = 228.99 : x
  2. Step 2: Convert to fraction form
    541.37/812.36 = 228.99/x
  3. Step 3: Cross multiply
    541.37x = 812.36 × 228.99
  4. Step 4: Simplify right side
    541.37x = 186,021.17
  5. Step 5: Solve for x
    x = 186,021.17/541.37
  6. Step 6: Final answer
    x = 343.62

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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.