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Finding the Fourth Proportional to 549.99, 753.37 and 542.97

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Solution

The fourth proportional to 549.99, 753.37 and 542.97 is: 743.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    549.99 : 753.37 = 542.97 : x
  2. Step 2: Convert to fraction form
    549.99/753.37 = 542.97/x
  3. Step 3: Cross multiply
    549.99x = 753.37 × 542.97
  4. Step 4: Simplify right side
    549.99x = 409,055.95
  5. Step 5: Solve for x
    x = 409,055.95/549.99
  6. Step 6: Final answer
    x = 743.75

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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.