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Finding the Fourth Proportional to 175.59, 262.16 and 145.22

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Solution

The fourth proportional to 175.59, 262.16 and 145.22 is: 216.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.59 : 262.16 = 145.22 : x
  2. Step 2: Convert to fraction form
    175.59/262.16 = 145.22/x
  3. Step 3: Cross multiply
    175.59x = 262.16 × 145.22
  4. Step 4: Simplify right side
    175.59x = 38,068.84
  5. Step 5: Solve for x
    x = 38,068.84/175.59
  6. Step 6: Final answer
    x = 216.81

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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.