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Finding the Fourth Proportional to 484.01, 668.76 and 374.43

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Solution

The fourth proportional to 484.01, 668.76 and 374.43 is: 517.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    484.01 : 668.76 = 374.43 : x
  2. Step 2: Convert to fraction form
    484.01/668.76 = 374.43/x
  3. Step 3: Cross multiply
    484.01x = 668.76 × 374.43
  4. Step 4: Simplify right side
    484.01x = 250,403.81
  5. Step 5: Solve for x
    x = 250,403.81/484.01
  6. Step 6: Final answer
    x = 517.36

Related Problems

Find fourth proportional to 242.00, 334.38 and 187.22
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.