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Finding the Fourth Proportional to 536.73, 805.91 and 476.25

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Solution

The fourth proportional to 536.73, 805.91 and 476.25 is: 715.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    536.73 : 805.91 = 476.25 : x
  2. Step 2: Convert to fraction form
    536.73/805.91 = 476.25/x
  3. Step 3: Cross multiply
    536.73x = 805.91 × 476.25
  4. Step 4: Simplify right side
    536.73x = 383,812.26
  5. Step 5: Solve for x
    x = 383,812.26/536.73
  6. Step 6: Final answer
    x = 715.09

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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.