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Finding the Fourth Proportional to 44.19, 65.93 and 43.16

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Solution

The fourth proportional to 44.19, 65.93 and 43.16 is: 64.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.19 : 65.93 = 43.16 : x
  2. Step 2: Convert to fraction form
    44.19/65.93 = 43.16/x
  3. Step 3: Cross multiply
    44.19x = 65.93 × 43.16
  4. Step 4: Simplify right side
    44.19x = 2,845.40
  5. Step 5: Solve for x
    x = 2,845.40/44.19
  6. Step 6: Final answer
    x = 64.40

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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.