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Finding the Fourth Proportional to 484.04, 668.40 and 368.12

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Solution

The fourth proportional to 484.04, 668.40 and 368.12 is: 508.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    484.04 : 668.40 = 368.12 : x
  2. Step 2: Convert to fraction form
    484.04/668.40 = 368.12/x
  3. Step 3: Cross multiply
    484.04x = 668.40 × 368.12
  4. Step 4: Simplify right side
    484.04x = 246,051.41
  5. Step 5: Solve for x
    x = 246,051.41/484.04
  6. Step 6: Final answer
    x = 508.33

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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.