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Finding the Fourth Proportional to 65.06, 97.53 and 43.40

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Solution

The fourth proportional to 65.06, 97.53 and 43.40 is: 65.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    65.06 : 97.53 = 43.40 : x
  2. Step 2: Convert to fraction form
    65.06/97.53 = 43.40/x
  3. Step 3: Cross multiply
    65.06x = 97.53 × 43.40
  4. Step 4: Simplify right side
    65.06x = 4,232.31
  5. Step 5: Solve for x
    x = 4,232.31/65.06
  6. Step 6: Final answer
    x = 65.06

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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.