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Finding the Fourth Proportional to 546.55, 754.08 and 336.76

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Solution

The fourth proportional to 546.55, 754.08 and 336.76 is: 464.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    546.55 : 754.08 = 336.76 : x
  2. Step 2: Convert to fraction form
    546.55/754.08 = 336.76/x
  3. Step 3: Cross multiply
    546.55x = 754.08 × 336.76
  4. Step 4: Simplify right side
    546.55x = 253,943.90
  5. Step 5: Solve for x
    x = 253,943.90/546.55
  6. Step 6: Final answer
    x = 464.63

Related Problems

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Half scale
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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.