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Finding the Fourth Proportional to 35.90, 53.49 and 32.28

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Solution

The fourth proportional to 35.90, 53.49 and 32.28 is: 48.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.90 : 53.49 = 32.28 : x
  2. Step 2: Convert to fraction form
    35.90/53.49 = 32.28/x
  3. Step 3: Cross multiply
    35.90x = 53.49 × 32.28
  4. Step 4: Simplify right side
    35.90x = 1,726.66
  5. Step 5: Solve for x
    x = 1,726.66/35.90
  6. Step 6: Final answer
    x = 48.10

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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.