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Finding the Fourth Proportional to 372.59, 558.57 and 177.48

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Solution

The fourth proportional to 372.59, 558.57 and 177.48 is: 266.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    372.59 : 558.57 = 177.48 : x
  2. Step 2: Convert to fraction form
    372.59/558.57 = 177.48/x
  3. Step 3: Cross multiply
    372.59x = 558.57 × 177.48
  4. Step 4: Simplify right side
    372.59x = 99,135.00
  5. Step 5: Solve for x
    x = 99,135.00/372.59
  6. Step 6: Final answer
    x = 266.07

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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.