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Finding the Fourth Proportional to 548.61, 757.32 and 362.19

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Solution

The fourth proportional to 548.61, 757.32 and 362.19 is: 499.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    548.61 : 757.32 = 362.19 : x
  2. Step 2: Convert to fraction form
    548.61/757.32 = 362.19/x
  3. Step 3: Cross multiply
    548.61x = 757.32 × 362.19
  4. Step 4: Simplify right side
    548.61x = 274,293.73
  5. Step 5: Solve for x
    x = 274,293.73/548.61
  6. Step 6: Final answer
    x = 499.98

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.