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Finding the Fourth Proportional to 536.02, 803.93 and 170.72

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Solution

The fourth proportional to 536.02, 803.93 and 170.72 is: 256.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    536.02 : 803.93 = 170.72 : x
  2. Step 2: Convert to fraction form
    536.02/803.93 = 170.72/x
  3. Step 3: Cross multiply
    536.02x = 803.93 × 170.72
  4. Step 4: Simplify right side
    536.02x = 137,249.59
  5. Step 5: Solve for x
    x = 137,249.59/536.02
  6. Step 6: Final answer
    x = 256.05

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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.