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Finding the Fourth Proportional to 180.47, 272.35 and 174.36

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Solution

The fourth proportional to 180.47, 272.35 and 174.36 is: 263.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    180.47 : 272.35 = 174.36 : x
  2. Step 2: Convert to fraction form
    180.47/272.35 = 174.36/x
  3. Step 3: Cross multiply
    180.47x = 272.35 × 174.36
  4. Step 4: Simplify right side
    180.47x = 47,488.19
  5. Step 5: Solve for x
    x = 47,488.19/180.47
  6. Step 6: Final answer
    x = 263.13

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.