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Finding the Fourth Proportional to 533.10, 735.40 and 346.36

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Solution

The fourth proportional to 533.10, 735.40 and 346.36 is: 477.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.10 : 735.40 = 346.36 : x
  2. Step 2: Convert to fraction form
    533.10/735.40 = 346.36/x
  3. Step 3: Cross multiply
    533.10x = 735.40 × 346.36
  4. Step 4: Simplify right side
    533.10x = 254,713.14
  5. Step 5: Solve for x
    x = 254,713.14/533.10
  6. Step 6: Final answer
    x = 477.80

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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.