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Finding the Fourth Proportional to 153.09, 228.62 and 150.05

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Solution

The fourth proportional to 153.09, 228.62 and 150.05 is: 224.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    153.09 : 228.62 = 150.05 : x
  2. Step 2: Convert to fraction form
    153.09/228.62 = 150.05/x
  3. Step 3: Cross multiply
    153.09x = 228.62 × 150.05
  4. Step 4: Simplify right side
    153.09x = 34,305.38
  5. Step 5: Solve for x
    x = 34,305.38/153.09
  6. Step 6: Final answer
    x = 224.09

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.