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Finding the Fourth Proportional to 435.03, 651.93 and 191.49

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Solution

The fourth proportional to 435.03, 651.93 and 191.49 is: 286.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    435.03 : 651.93 = 191.49 : x
  2. Step 2: Convert to fraction form
    435.03/651.93 = 191.49/x
  3. Step 3: Cross multiply
    435.03x = 651.93 × 191.49
  4. Step 4: Simplify right side
    435.03x = 124,838.08
  5. Step 5: Solve for x
    x = 124,838.08/435.03
  6. Step 6: Final answer
    x = 286.96

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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.