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Finding the Fourth Proportional to 615.12, 927.24 and 606.48

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Solution

The fourth proportional to 615.12, 927.24 and 606.48 is: 914.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    615.12 : 927.24 = 606.48 : x
  2. Step 2: Convert to fraction form
    615.12/927.24 = 606.48/x
  3. Step 3: Cross multiply
    615.12x = 927.24 × 606.48
  4. Step 4: Simplify right side
    615.12x = 562,352.52
  5. Step 5: Solve for x
    x = 562,352.52/615.12
  6. Step 6: Final answer
    x = 914.22

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.