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Finding the Fourth Proportional to 533.19, 734.13 and 454.35

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Solution

The fourth proportional to 533.19, 734.13 and 454.35 is: 625.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.19 : 734.13 = 454.35 : x
  2. Step 2: Convert to fraction form
    533.19/734.13 = 454.35/x
  3. Step 3: Cross multiply
    533.19x = 734.13 × 454.35
  4. Step 4: Simplify right side
    533.19x = 333,551.97
  5. Step 5: Solve for x
    x = 333,551.97/533.19
  6. Step 6: Final answer
    x = 625.58

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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.