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Finding the Fourth Proportional to 429.84, 592.20 and 364.32

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Solution

The fourth proportional to 429.84, 592.20 and 364.32 is: 501.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    429.84 : 592.20 = 364.32 : x
  2. Step 2: Convert to fraction form
    429.84/592.20 = 364.32/x
  3. Step 3: Cross multiply
    429.84x = 592.20 × 364.32
  4. Step 4: Simplify right side
    429.84x = 215,750.30
  5. Step 5: Solve for x
    x = 215,750.30/429.84
  6. Step 6: Final answer
    x = 501.93

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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.