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Finding the Fourth Proportional to 235.56, 325.03 and 148.35

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Solution

The fourth proportional to 235.56, 325.03 and 148.35 is: 204.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.56 : 325.03 = 148.35 : x
  2. Step 2: Convert to fraction form
    235.56/325.03 = 148.35/x
  3. Step 3: Cross multiply
    235.56x = 325.03 × 148.35
  4. Step 4: Simplify right side
    235.56x = 48,218.20
  5. Step 5: Solve for x
    x = 48,218.20/235.56
  6. Step 6: Final answer
    x = 204.70

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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.