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Finding the Fourth Proportional to 541.48, 746.52 and 447.88

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Solution

The fourth proportional to 541.48, 746.52 and 447.88 is: 617.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    541.48 : 746.52 = 447.88 : x
  2. Step 2: Convert to fraction form
    541.48/746.52 = 447.88/x
  3. Step 3: Cross multiply
    541.48x = 746.52 × 447.88
  4. Step 4: Simplify right side
    541.48x = 334,351.38
  5. Step 5: Solve for x
    x = 334,351.38/541.48
  6. Step 6: Final answer
    x = 617.48

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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.