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Finding the Fourth Proportional to 654.04, 980.37 and 329.23

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Solution

The fourth proportional to 654.04, 980.37 and 329.23 is: 493.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    654.04 : 980.37 = 329.23 : x
  2. Step 2: Convert to fraction form
    654.04/980.37 = 329.23/x
  3. Step 3: Cross multiply
    654.04x = 980.37 × 329.23
  4. Step 4: Simplify right side
    654.04x = 322,767.22
  5. Step 5: Solve for x
    x = 322,767.22/654.04
  6. Step 6: Final answer
    x = 493.50

Related Problems

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Double scale
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Similar ratio
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1.5x scale

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.