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Finding the Fourth Proportional to 370.68, 553.50 and 336.60

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Solution

The fourth proportional to 370.68, 553.50 and 336.60 is: 502.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    370.68 : 553.50 = 336.60 : x
  2. Step 2: Convert to fraction form
    370.68/553.50 = 336.60/x
  3. Step 3: Cross multiply
    370.68x = 553.50 × 336.60
  4. Step 4: Simplify right side
    370.68x = 186,308.10
  5. Step 5: Solve for x
    x = 186,308.10/370.68
  6. Step 6: Final answer
    x = 502.61

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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.