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Finding the Fourth Proportional to 533.91, 801.42 and 357.69

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Solution

The fourth proportional to 533.91, 801.42 and 357.69 is: 536.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.91 : 801.42 = 357.69 : x
  2. Step 2: Convert to fraction form
    533.91/801.42 = 357.69/x
  3. Step 3: Cross multiply
    533.91x = 801.42 × 357.69
  4. Step 4: Simplify right side
    533.91x = 286,659.92
  5. Step 5: Solve for x
    x = 286,659.92/533.91
  6. Step 6: Final answer
    x = 536.91

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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.