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Finding the Fourth Proportional to 182.81, 253.35 and 177.57

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Solution

The fourth proportional to 182.81, 253.35 and 177.57 is: 246.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.81 : 253.35 = 177.57 : x
  2. Step 2: Convert to fraction form
    182.81/253.35 = 177.57/x
  3. Step 3: Cross multiply
    182.81x = 253.35 × 177.57
  4. Step 4: Simplify right side
    182.81x = 44,987.36
  5. Step 5: Solve for x
    x = 44,987.36/182.81
  6. Step 6: Final answer
    x = 246.08

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.