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Finding the Fourth Proportional to 476.52, 714.59 and 168.35

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Solution

The fourth proportional to 476.52, 714.59 and 168.35 is: 252.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    476.52 : 714.59 = 168.35 : x
  2. Step 2: Convert to fraction form
    476.52/714.59 = 168.35/x
  3. Step 3: Cross multiply
    476.52x = 714.59 × 168.35
  4. Step 4: Simplify right side
    476.52x = 120,297.44
  5. Step 5: Solve for x
    x = 120,297.44/476.52
  6. Step 6: Final answer
    x = 252.45

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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.