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Finding the Fourth Proportional to 429.96, 592.88 and 298.95

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Solution

The fourth proportional to 429.96, 592.88 and 298.95 is: 412.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    429.96 : 592.88 = 298.95 : x
  2. Step 2: Convert to fraction form
    429.96/592.88 = 298.95/x
  3. Step 3: Cross multiply
    429.96x = 592.88 × 298.95
  4. Step 4: Simplify right side
    429.96x = 177,241.48
  5. Step 5: Solve for x
    x = 177,241.48/429.96
  6. Step 6: Final answer
    x = 412.23

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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.