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Finding the Fourth Proportional to 466.75, 644.12 and 254.07

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Solution

The fourth proportional to 466.75, 644.12 and 254.07 is: 350.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.75 : 644.12 = 254.07 : x
  2. Step 2: Convert to fraction form
    466.75/644.12 = 254.07/x
  3. Step 3: Cross multiply
    466.75x = 644.12 × 254.07
  4. Step 4: Simplify right side
    466.75x = 163,651.57
  5. Step 5: Solve for x
    x = 163,651.57/466.75
  6. Step 6: Final answer
    x = 350.62

Related Problems

Find fourth proportional to 233.38, 322.06 and 127.04
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Double scale
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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.