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Finding the Fourth Proportional to 547.23, 754.74 and 350.76

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Solution

The fourth proportional to 547.23, 754.74 and 350.76 is: 483.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    547.23 : 754.74 = 350.76 : x
  2. Step 2: Convert to fraction form
    547.23/754.74 = 350.76/x
  3. Step 3: Cross multiply
    547.23x = 754.74 × 350.76
  4. Step 4: Simplify right side
    547.23x = 264,731.09
  5. Step 5: Solve for x
    x = 264,731.09/547.23
  6. Step 6: Final answer
    x = 483.77

Related Problems

Find fourth proportional to 273.61, 377.37 and 175.38
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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.