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Finding the Fourth Proportional to 370.27, 553.03 and 336.25

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Solution

The fourth proportional to 370.27, 553.03 and 336.25 is: 502.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    370.27 : 553.03 = 336.25 : x
  2. Step 2: Convert to fraction form
    370.27/553.03 = 336.25/x
  3. Step 3: Cross multiply
    370.27x = 553.03 × 336.25
  4. Step 4: Simplify right side
    370.27x = 185,956.34
  5. Step 5: Solve for x
    x = 185,956.34/370.27
  6. Step 6: Final answer
    x = 502.22

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.