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Finding the Fourth Proportional to 533.36, 801.76 and 495.32

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Solution

The fourth proportional to 533.36, 801.76 and 495.32 is: 744.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.36 : 801.76 = 495.32 : x
  2. Step 2: Convert to fraction form
    533.36/801.76 = 495.32/x
  3. Step 3: Cross multiply
    533.36x = 801.76 × 495.32
  4. Step 4: Simplify right side
    533.36x = 397,127.76
  5. Step 5: Solve for x
    x = 397,127.76/533.36
  6. Step 6: Final answer
    x = 744.58

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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.