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Finding the Fourth Proportional to 541.68, 811.98 and 297.60

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Solution

The fourth proportional to 541.68, 811.98 and 297.60 is: 446.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    541.68 : 811.98 = 297.60 : x
  2. Step 2: Convert to fraction form
    541.68/811.98 = 297.60/x
  3. Step 3: Cross multiply
    541.68x = 811.98 × 297.60
  4. Step 4: Simplify right side
    541.68x = 241,645.25
  5. Step 5: Solve for x
    x = 241,645.25/541.68
  6. Step 6: Final answer
    x = 446.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.