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Finding the Fourth Proportional to 535.26, 807.47 and 534.18

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Solution

The fourth proportional to 535.26, 807.47 and 534.18 is: 805.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    535.26 : 807.47 = 534.18 : x
  2. Step 2: Convert to fraction form
    535.26/807.47 = 534.18/x
  3. Step 3: Cross multiply
    535.26x = 807.47 × 534.18
  4. Step 4: Simplify right side
    535.26x = 431,331.65
  5. Step 5: Solve for x
    x = 431,331.65/535.26
  6. Step 6: Final answer
    x = 805.84

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.