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Finding the Fourth Proportional to 49.95, 75.33 and 46.08

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Solution

The fourth proportional to 49.95, 75.33 and 46.08 is: 69.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.95 : 75.33 = 46.08 : x
  2. Step 2: Convert to fraction form
    49.95/75.33 = 46.08/x
  3. Step 3: Cross multiply
    49.95x = 75.33 × 46.08
  4. Step 4: Simplify right side
    49.95x = 3,471.21
  5. Step 5: Solve for x
    x = 3,471.21/49.95
  6. Step 6: Final answer
    x = 69.49

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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.