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Finding the Fourth Proportional to 533.26, 736.32 and 436.06

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Solution

The fourth proportional to 533.26, 736.32 and 436.06 is: 602.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.26 : 736.32 = 436.06 : x
  2. Step 2: Convert to fraction form
    533.26/736.32 = 436.06/x
  3. Step 3: Cross multiply
    533.26x = 736.32 × 436.06
  4. Step 4: Simplify right side
    533.26x = 321,079.70
  5. Step 5: Solve for x
    x = 321,079.70/533.26
  6. Step 6: Final answer
    x = 602.11

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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.