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Finding the Fourth Proportional to 342.03, 469.48 and 304.37

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Solution

The fourth proportional to 342.03, 469.48 and 304.37 is: 417.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    342.03 : 469.48 = 304.37 : x
  2. Step 2: Convert to fraction form
    342.03/469.48 = 304.37/x
  3. Step 3: Cross multiply
    342.03x = 469.48 × 304.37
  4. Step 4: Simplify right side
    342.03x = 142,895.63
  5. Step 5: Solve for x
    x = 142,895.63/342.03
  6. Step 6: Final answer
    x = 417.79

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.