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Finding the Fourth Proportional to 541.26, 747.19 and 354.76

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Solution

The fourth proportional to 541.26, 747.19 and 354.76 is: 489.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    541.26 : 747.19 = 354.76 : x
  2. Step 2: Convert to fraction form
    541.26/747.19 = 354.76/x
  3. Step 3: Cross multiply
    541.26x = 747.19 × 354.76
  4. Step 4: Simplify right side
    541.26x = 265,067.61
  5. Step 5: Solve for x
    x = 265,067.61/541.26
  6. Step 6: Final answer
    x = 489.72

Related Problems

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Double scale
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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.