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Finding the Fourth Proportional to 549.36, 753.30 and 534.96

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Solution

The fourth proportional to 549.36, 753.30 and 534.96 is: 733.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    549.36 : 753.30 = 534.96 : x
  2. Step 2: Convert to fraction form
    549.36/753.30 = 534.96/x
  3. Step 3: Cross multiply
    549.36x = 753.30 × 534.96
  4. Step 4: Simplify right side
    549.36x = 402,985.37
  5. Step 5: Solve for x
    x = 402,985.37/549.36
  6. Step 6: Final answer
    x = 733.55

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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.