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Finding the Fourth Proportional to 45.88, 63.36 and 43.32

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Solution

The fourth proportional to 45.88, 63.36 and 43.32 is: 59.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    45.88 : 63.36 = 43.32 : x
  2. Step 2: Convert to fraction form
    45.88/63.36 = 43.32/x
  3. Step 3: Cross multiply
    45.88x = 63.36 × 43.32
  4. Step 4: Simplify right side
    45.88x = 2,744.76
  5. Step 5: Solve for x
    x = 2,744.76/45.88
  6. Step 6: Final answer
    x = 59.82

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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.