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Finding the Fourth Proportional to 533.98, 734.58 and 435.52

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Solution

The fourth proportional to 533.98, 734.58 and 435.52 is: 599.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.98 : 734.58 = 435.52 : x
  2. Step 2: Convert to fraction form
    533.98/734.58 = 435.52/x
  3. Step 3: Cross multiply
    533.98x = 734.58 × 435.52
  4. Step 4: Simplify right side
    533.98x = 319,924.28
  5. Step 5: Solve for x
    x = 319,924.28/533.98
  6. Step 6: Final answer
    x = 599.13

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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.