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Finding the Fourth Proportional to 549.95, 825.24 and 203.52

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Solution

The fourth proportional to 549.95, 825.24 and 203.52 is: 305.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    549.95 : 825.24 = 203.52 : x
  2. Step 2: Convert to fraction form
    549.95/825.24 = 203.52/x
  3. Step 3: Cross multiply
    549.95x = 825.24 × 203.52
  4. Step 4: Simplify right side
    549.95x = 167,953.35
  5. Step 5: Solve for x
    x = 167,953.35/549.95
  6. Step 6: Final answer
    x = 305.40

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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.