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Finding the Fourth Proportional to 598.38, 896.58 and 575.61

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Solution

The fourth proportional to 598.38, 896.58 and 575.61 is: 862.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    598.38 : 896.58 = 575.61 : x
  2. Step 2: Convert to fraction form
    598.38/896.58 = 575.61/x
  3. Step 3: Cross multiply
    598.38x = 896.58 × 575.61
  4. Step 4: Simplify right side
    598.38x = 516,080.41
  5. Step 5: Solve for x
    x = 516,080.41/598.38
  6. Step 6: Final answer
    x = 862.46

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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.