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Finding the Fourth Proportional to 360.52, 541.37 and 315.26

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Solution

The fourth proportional to 360.52, 541.37 and 315.26 is: 473.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    360.52 : 541.37 = 315.26 : x
  2. Step 2: Convert to fraction form
    360.52/541.37 = 315.26/x
  3. Step 3: Cross multiply
    360.52x = 541.37 × 315.26
  4. Step 4: Simplify right side
    360.52x = 170,670.39
  5. Step 5: Solve for x
    x = 170,670.39/360.52
  6. Step 6: Final answer
    x = 473.40

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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.