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Finding the Fourth Proportional to 341.03, 469.62 and 303.77

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Solution

The fourth proportional to 341.03, 469.62 and 303.77 is: 418.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.03 : 469.62 = 303.77 : x
  2. Step 2: Convert to fraction form
    341.03/469.62 = 303.77/x
  3. Step 3: Cross multiply
    341.03x = 469.62 × 303.77
  4. Step 4: Simplify right side
    341.03x = 142,654.12
  5. Step 5: Solve for x
    x = 142,654.12/341.03
  6. Step 6: Final answer
    x = 418.31

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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.