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Finding the Fourth Proportional to 214.67, 296.19 and 148.32

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Solution

The fourth proportional to 214.67, 296.19 and 148.32 is: 204.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    214.67 : 296.19 = 148.32 : x
  2. Step 2: Convert to fraction form
    214.67/296.19 = 148.32/x
  3. Step 3: Cross multiply
    214.67x = 296.19 × 148.32
  4. Step 4: Simplify right side
    214.67x = 43,930.90
  5. Step 5: Solve for x
    x = 43,930.90/214.67
  6. Step 6: Final answer
    x = 204.64

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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.