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Finding the Fourth Proportional to 536.97, 808.26 and 486.66

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Solution

The fourth proportional to 536.97, 808.26 and 486.66 is: 732.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    536.97 : 808.26 = 486.66 : x
  2. Step 2: Convert to fraction form
    536.97/808.26 = 486.66/x
  3. Step 3: Cross multiply
    536.97x = 808.26 × 486.66
  4. Step 4: Simplify right side
    536.97x = 393,347.81
  5. Step 5: Solve for x
    x = 393,347.81/536.97
  6. Step 6: Final answer
    x = 732.53

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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.