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Finding the Fourth Proportional to 249.08, 373.48 and 146.40

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Solution

The fourth proportional to 249.08, 373.48 and 146.40 is: 219.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.08 : 373.48 = 146.40 : x
  2. Step 2: Convert to fraction form
    249.08/373.48 = 146.40/x
  3. Step 3: Cross multiply
    249.08x = 373.48 × 146.40
  4. Step 4: Simplify right side
    249.08x = 54,677.47
  5. Step 5: Solve for x
    x = 54,677.47/249.08
  6. Step 6: Final answer
    x = 219.52

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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.