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Finding the Fourth Proportional to 572, 854.08 and 535.28

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Solution

The fourth proportional to 572, 854.08 and 535.28 is: 799.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    572 : 854.08 = 535.28 : x
  2. Step 2: Convert to fraction form
    572/854.08 = 535.28/x
  3. Step 3: Cross multiply
    572x = 854.08 × 535.28
  4. Step 4: Simplify right side
    572x = 457,171.94
  5. Step 5: Solve for x
    x = 457,171.94/572
  6. Step 6: Final answer
    x = 799.25

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.