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Finding the Fourth Proportional to 682.82, 941.18 and 473.30

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Solution

The fourth proportional to 682.82, 941.18 and 473.30 is: 652.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    682.82 : 941.18 = 473.30 : x
  2. Step 2: Convert to fraction form
    682.82/941.18 = 473.30/x
  3. Step 3: Cross multiply
    682.82x = 941.18 × 473.30
  4. Step 4: Simplify right side
    682.82x = 445,460.49
  5. Step 5: Solve for x
    x = 445,460.49/682.82
  6. Step 6: Final answer
    x = 652.38

Related Problems

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Half scale
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Double scale
Find fourth proportional to 683.82, 942.56 and 474.30
Similar ratio
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1.5x scale

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.