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Finding the Fourth Proportional to 336.87, 507.42 and 316.37

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Solution

The fourth proportional to 336.87, 507.42 and 316.37 is: 476.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.87 : 507.42 = 316.37 : x
  2. Step 2: Convert to fraction form
    336.87/507.42 = 316.37/x
  3. Step 3: Cross multiply
    336.87x = 507.42 × 316.37
  4. Step 4: Simplify right side
    336.87x = 160,529.93
  5. Step 5: Solve for x
    x = 160,529.93/336.87
  6. Step 6: Final answer
    x = 476.53

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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.