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Finding the Fourth Proportional to 55.88, 84.12 and 50

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Solution

The fourth proportional to 55.88, 84.12 and 50 is: 75.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55.88 : 84.12 = 50 : x
  2. Step 2: Convert to fraction form
    55.88/84.12 = 50/x
  3. Step 3: Cross multiply
    55.88x = 84.12 × 50
  4. Step 4: Simplify right side
    55.88x = 4,206
  5. Step 5: Solve for x
    x = 4,206/55.88
  6. Step 6: Final answer
    x = 75.27

Related Problems

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1.5x scale

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.