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Finding the Fourth Proportional to 35.53, 52.95 and 34.85

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Solution

The fourth proportional to 35.53, 52.95 and 34.85 is: 51.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.53 : 52.95 = 34.85 : x
  2. Step 2: Convert to fraction form
    35.53/52.95 = 34.85/x
  3. Step 3: Cross multiply
    35.53x = 52.95 × 34.85
  4. Step 4: Simplify right side
    35.53x = 1,844.87
  5. Step 5: Solve for x
    x = 1,844.87/35.53
  6. Step 6: Final answer
    x = 51.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.