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Finding the Fourth Proportional to 543.74, 750.11 and 410.72

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Solution

The fourth proportional to 543.74, 750.11 and 410.72 is: 566.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    543.74 : 750.11 = 410.72 : x
  2. Step 2: Convert to fraction form
    543.74/750.11 = 410.72/x
  3. Step 3: Cross multiply
    543.74x = 750.11 × 410.72
  4. Step 4: Simplify right side
    543.74x = 308,079.38
  5. Step 5: Solve for x
    x = 308,079.38/543.74
  6. Step 6: Final answer
    x = 566.60

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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.