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Finding the Fourth Proportional to 544.76, 751.48 and 345.25

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Solution

The fourth proportional to 544.76, 751.48 and 345.25 is: 476.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.76 : 751.48 = 345.25 : x
  2. Step 2: Convert to fraction form
    544.76/751.48 = 345.25/x
  3. Step 3: Cross multiply
    544.76x = 751.48 × 345.25
  4. Step 4: Simplify right side
    544.76x = 259,447.02
  5. Step 5: Solve for x
    x = 259,447.02/544.76
  6. Step 6: Final answer
    x = 476.26

Related Problems

Find fourth proportional to 272.38, 375.74 and 172.62
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Double scale
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Similar ratio
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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.