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Finding the Fourth Proportional to 534.19, 801.29 and 205.05

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Solution

The fourth proportional to 534.19, 801.29 and 205.05 is: 307.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    534.19 : 801.29 = 205.05 : x
  2. Step 2: Convert to fraction form
    534.19/801.29 = 205.05/x
  3. Step 3: Cross multiply
    534.19x = 801.29 × 205.05
  4. Step 4: Simplify right side
    534.19x = 164,306.01
  5. Step 5: Solve for x
    x = 164,306.01/534.19
  6. Step 6: Final answer
    x = 307.58

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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.