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Finding the Fourth Proportional to 552.96, 762.98 and 332.01

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Solution

The fourth proportional to 552.96, 762.98 and 332.01 is: 458.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    552.96 : 762.98 = 332.01 : x
  2. Step 2: Convert to fraction form
    552.96/762.98 = 332.01/x
  3. Step 3: Cross multiply
    552.96x = 762.98 × 332.01
  4. Step 4: Simplify right side
    552.96x = 253,315.33
  5. Step 5: Solve for x
    x = 253,315.33/552.96
  6. Step 6: Final answer
    x = 458.11

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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.