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Finding the Fourth Proportional to 541.24, 812.64 and 356.44

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Solution

The fourth proportional to 541.24, 812.64 and 356.44 is: 535.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    541.24 : 812.64 = 356.44 : x
  2. Step 2: Convert to fraction form
    541.24/812.64 = 356.44/x
  3. Step 3: Cross multiply
    541.24x = 812.64 × 356.44
  4. Step 4: Simplify right side
    541.24x = 289,657.40
  5. Step 5: Solve for x
    x = 289,657.40/541.24
  6. Step 6: Final answer
    x = 535.17

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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.