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Finding the Fourth Proportional to 35.34, 53.02 and 29.66

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Solution

The fourth proportional to 35.34, 53.02 and 29.66 is: 44.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.34 : 53.02 = 29.66 : x
  2. Step 2: Convert to fraction form
    35.34/53.02 = 29.66/x
  3. Step 3: Cross multiply
    35.34x = 53.02 × 29.66
  4. Step 4: Simplify right side
    35.34x = 1,572.57
  5. Step 5: Solve for x
    x = 1,572.57/35.34
  6. Step 6: Final answer
    x = 44.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.