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Finding the Fourth Proportional to 54.58, 75.36 and 37.10

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Solution

The fourth proportional to 54.58, 75.36 and 37.10 is: 51.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54.58 : 75.36 = 37.10 : x
  2. Step 2: Convert to fraction form
    54.58/75.36 = 37.10/x
  3. Step 3: Cross multiply
    54.58x = 75.36 × 37.10
  4. Step 4: Simplify right side
    54.58x = 2,795.86
  5. Step 5: Solve for x
    x = 2,795.86/54.58
  6. Step 6: Final answer
    x = 51.22

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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.