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Finding the Fourth Proportional to 536.52, 805.06 and 320.26

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Solution

The fourth proportional to 536.52, 805.06 and 320.26 is: 480.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    536.52 : 805.06 = 320.26 : x
  2. Step 2: Convert to fraction form
    536.52/805.06 = 320.26/x
  3. Step 3: Cross multiply
    536.52x = 805.06 × 320.26
  4. Step 4: Simplify right side
    536.52x = 257,828.52
  5. Step 5: Solve for x
    x = 257,828.52/536.52
  6. Step 6: Final answer
    x = 480.56

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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.