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Finding the Fourth Proportional to 233.68, 322.55 and 151.01

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Solution

The fourth proportional to 233.68, 322.55 and 151.01 is: 208.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.68 : 322.55 = 151.01 : x
  2. Step 2: Convert to fraction form
    233.68/322.55 = 151.01/x
  3. Step 3: Cross multiply
    233.68x = 322.55 × 151.01
  4. Step 4: Simplify right side
    233.68x = 48,708.28
  5. Step 5: Solve for x
    x = 48,708.28/233.68
  6. Step 6: Final answer
    x = 208.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.