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Finding the Fourth Proportional to 45.95, 63.47 and 32.18

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Solution

The fourth proportional to 45.95, 63.47 and 32.18 is: 44.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45.95 : 63.47 = 32.18 : x
  2. Step 2: Convert to fraction form
    45.95/63.47 = 32.18/x
  3. Step 3: Cross multiply
    45.95x = 63.47 × 32.18
  4. Step 4: Simplify right side
    45.95x = 2,042.23
  5. Step 5: Solve for x
    x = 2,042.23/45.95
  6. Step 6: Final answer
    x = 44.45

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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.