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Finding the Fourth Proportional to 388.36, 535.98 and 241.12

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Solution

The fourth proportional to 388.36, 535.98 and 241.12 is: 332.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    388.36 : 535.98 = 241.12 : x
  2. Step 2: Convert to fraction form
    388.36/535.98 = 241.12/x
  3. Step 3: Cross multiply
    388.36x = 535.98 × 241.12
  4. Step 4: Simplify right side
    388.36x = 129,235.50
  5. Step 5: Solve for x
    x = 129,235.50/388.36
  6. Step 6: Final answer
    x = 332.77

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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.