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Finding the Fourth Proportional to 448.92, 618.51 and 336.38

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Solution

The fourth proportional to 448.92, 618.51 and 336.38 is: 463.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    448.92 : 618.51 = 336.38 : x
  2. Step 2: Convert to fraction form
    448.92/618.51 = 336.38/x
  3. Step 3: Cross multiply
    448.92x = 618.51 × 336.38
  4. Step 4: Simplify right side
    448.92x = 208,054.39
  5. Step 5: Solve for x
    x = 208,054.39/448.92
  6. Step 6: Final answer
    x = 463.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.