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Finding the Fourth Proportional to 176.25, 264.81 and 162.57

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Solution

The fourth proportional to 176.25, 264.81 and 162.57 is: 244.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.25 : 264.81 = 162.57 : x
  2. Step 2: Convert to fraction form
    176.25/264.81 = 162.57/x
  3. Step 3: Cross multiply
    176.25x = 264.81 × 162.57
  4. Step 4: Simplify right side
    176.25x = 43,050.16
  5. Step 5: Solve for x
    x = 43,050.16/176.25
  6. Step 6: Final answer
    x = 244.26

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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.