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Finding the Fourth Proportional to 176.83, 265.37 and 90.29

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Solution

The fourth proportional to 176.83, 265.37 and 90.29 is: 135.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.83 : 265.37 = 90.29 : x
  2. Step 2: Convert to fraction form
    176.83/265.37 = 90.29/x
  3. Step 3: Cross multiply
    176.83x = 265.37 × 90.29
  4. Step 4: Simplify right side
    176.83x = 23,960.26
  5. Step 5: Solve for x
    x = 23,960.26/176.83
  6. Step 6: Final answer
    x = 135.50

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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.