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Finding the Fourth Proportional to 541.66, 742.07 and 522.22

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Solution

The fourth proportional to 541.66, 742.07 and 522.22 is: 715.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    541.66 : 742.07 = 522.22 : x
  2. Step 2: Convert to fraction form
    541.66/742.07 = 522.22/x
  3. Step 3: Cross multiply
    541.66x = 742.07 × 522.22
  4. Step 4: Simplify right side
    541.66x = 387,523.80
  5. Step 5: Solve for x
    x = 387,523.80/541.66
  6. Step 6: Final answer
    x = 715.44

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.