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Finding the Fourth Proportional to 177.55, 244.78 and 152.60

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Solution

The fourth proportional to 177.55, 244.78 and 152.60 is: 210.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    177.55 : 244.78 = 152.60 : x
  2. Step 2: Convert to fraction form
    177.55/244.78 = 152.60/x
  3. Step 3: Cross multiply
    177.55x = 244.78 × 152.60
  4. Step 4: Simplify right side
    177.55x = 37,351.82
  5. Step 5: Solve for x
    x = 37,351.82/177.55
  6. Step 6: Final answer
    x = 210.38

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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.