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Finding the Fourth Proportional to 436.37, 653.95 and 241.46

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Solution

The fourth proportional to 436.37, 653.95 and 241.46 is: 361.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    436.37 : 653.95 = 241.46 : x
  2. Step 2: Convert to fraction form
    436.37/653.95 = 241.46/x
  3. Step 3: Cross multiply
    436.37x = 653.95 × 241.46
  4. Step 4: Simplify right side
    436.37x = 157,903.11
  5. Step 5: Solve for x
    x = 157,903.11/436.37
  6. Step 6: Final answer
    x = 361.85

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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.