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Finding the Fourth Proportional to 575.01, 862.03 and 228.59

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Solution

The fourth proportional to 575.01, 862.03 and 228.59 is: 342.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    575.01 : 862.03 = 228.59 : x
  2. Step 2: Convert to fraction form
    575.01/862.03 = 228.59/x
  3. Step 3: Cross multiply
    575.01x = 862.03 × 228.59
  4. Step 4: Simplify right side
    575.01x = 197,048.14
  5. Step 5: Solve for x
    x = 197,048.14/575.01
  6. Step 6: Final answer
    x = 342.69

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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.