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Finding the Fourth Proportional to 429.02, 592.02 and 242.52

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Solution

The fourth proportional to 429.02, 592.02 and 242.52 is: 334.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    429.02 : 592.02 = 242.52 : x
  2. Step 2: Convert to fraction form
    429.02/592.02 = 242.52/x
  3. Step 3: Cross multiply
    429.02x = 592.02 × 242.52
  4. Step 4: Simplify right side
    429.02x = 143,576.69
  5. Step 5: Solve for x
    x = 143,576.69/429.02
  6. Step 6: Final answer
    x = 334.66

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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.