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Finding the Fourth Proportional to 533.88, 801 and 530.28

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Solution

The fourth proportional to 533.88, 801 and 530.28 is: 795.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.88 : 801 = 530.28 : x
  2. Step 2: Convert to fraction form
    533.88/801 = 530.28/x
  3. Step 3: Cross multiply
    533.88x = 801 × 530.28
  4. Step 4: Simplify right side
    533.88x = 424,754.28
  5. Step 5: Solve for x
    x = 424,754.28/533.88
  6. Step 6: Final answer
    x = 795.60

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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.