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Finding the Fourth Proportional to 556.11, 767.12 and 348.75

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Solution

The fourth proportional to 556.11, 767.12 and 348.75 is: 481.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    556.11 : 767.12 = 348.75 : x
  2. Step 2: Convert to fraction form
    556.11/767.12 = 348.75/x
  3. Step 3: Cross multiply
    556.11x = 767.12 × 348.75
  4. Step 4: Simplify right side
    556.11x = 267,531.36
  5. Step 5: Solve for x
    x = 267,531.36/556.11
  6. Step 6: Final answer
    x = 481.08

Related Problems

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Double scale
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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.