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Finding the Fourth Proportional to 533.14, 735.48 and 346.79

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Solution

The fourth proportional to 533.14, 735.48 and 346.79 is: 478.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.14 : 735.48 = 346.79 : x
  2. Step 2: Convert to fraction form
    533.14/735.48 = 346.79/x
  3. Step 3: Cross multiply
    533.14x = 735.48 × 346.79
  4. Step 4: Simplify right side
    533.14x = 255,058.95
  5. Step 5: Solve for x
    x = 255,058.95/533.14
  6. Step 6: Final answer
    x = 478.41

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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.