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Finding the Fourth Proportional to 173.76, 240.30 and 146.58

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Solution

The fourth proportional to 173.76, 240.30 and 146.58 is: 202.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.76 : 240.30 = 146.58 : x
  2. Step 2: Convert to fraction form
    173.76/240.30 = 146.58/x
  3. Step 3: Cross multiply
    173.76x = 240.30 × 146.58
  4. Step 4: Simplify right side
    173.76x = 35,223.17
  5. Step 5: Solve for x
    x = 35,223.17/173.76
  6. Step 6: Final answer
    x = 202.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.