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Finding the Fourth Proportional to 248.04, 373.62 and 211.59

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Solution

The fourth proportional to 248.04, 373.62 and 211.59 is: 318.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.04 : 373.62 = 211.59 : x
  2. Step 2: Convert to fraction form
    248.04/373.62 = 211.59/x
  3. Step 3: Cross multiply
    248.04x = 373.62 × 211.59
  4. Step 4: Simplify right side
    248.04x = 79,054.26
  5. Step 5: Solve for x
    x = 79,054.26/248.04
  6. Step 6: Final answer
    x = 318.72

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.