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Finding the Fourth Proportional to 533.32, 735.90 and 297.25

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Solution

The fourth proportional to 533.32, 735.90 and 297.25 is: 410.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.32 : 735.90 = 297.25 : x
  2. Step 2: Convert to fraction form
    533.32/735.90 = 297.25/x
  3. Step 3: Cross multiply
    533.32x = 735.90 × 297.25
  4. Step 4: Simplify right side
    533.32x = 218,746.28
  5. Step 5: Solve for x
    x = 218,746.28/533.32
  6. Step 6: Final answer
    x = 410.16

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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.