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Finding the Fourth Proportional to 336.05, 501.62 and 307.19

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Solution

The fourth proportional to 336.05, 501.62 and 307.19 is: 458.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.05 : 501.62 = 307.19 : x
  2. Step 2: Convert to fraction form
    336.05/501.62 = 307.19/x
  3. Step 3: Cross multiply
    336.05x = 501.62 × 307.19
  4. Step 4: Simplify right side
    336.05x = 154,093.23
  5. Step 5: Solve for x
    x = 154,093.23/336.05
  6. Step 6: Final answer
    x = 458.54

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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.