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Finding the Fourth Proportional to 558.29, 771.12 and 362.07

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Solution

The fourth proportional to 558.29, 771.12 and 362.07 is: 500.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    558.29 : 771.12 = 362.07 : x
  2. Step 2: Convert to fraction form
    558.29/771.12 = 362.07/x
  3. Step 3: Cross multiply
    558.29x = 771.12 × 362.07
  4. Step 4: Simplify right side
    558.29x = 279,199.42
  5. Step 5: Solve for x
    x = 279,199.42/558.29
  6. Step 6: Final answer
    x = 500.10

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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.