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Finding the Fourth Proportional to 435.42, 651.69 and 362.70

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Solution

The fourth proportional to 435.42, 651.69 and 362.70 is: 542.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    435.42 : 651.69 = 362.70 : x
  2. Step 2: Convert to fraction form
    435.42/651.69 = 362.70/x
  3. Step 3: Cross multiply
    435.42x = 651.69 × 362.70
  4. Step 4: Simplify right side
    435.42x = 236,367.96
  5. Step 5: Solve for x
    x = 236,367.96/435.42
  6. Step 6: Final answer
    x = 542.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.