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Finding the Fourth Proportional to 484.03, 666.66 and 352.81

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Solution

The fourth proportional to 484.03, 666.66 and 352.81 is: 485.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    484.03 : 666.66 = 352.81 : x
  2. Step 2: Convert to fraction form
    484.03/666.66 = 352.81/x
  3. Step 3: Cross multiply
    484.03x = 666.66 × 352.81
  4. Step 4: Simplify right side
    484.03x = 235,204.31
  5. Step 5: Solve for x
    x = 235,204.31/484.03
  6. Step 6: Final answer
    x = 485.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.