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Finding the Fourth Proportional to 364.32, 546.16 and 248.99

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Solution

The fourth proportional to 364.32, 546.16 and 248.99 is: 373.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.32 : 546.16 = 248.99 : x
  2. Step 2: Convert to fraction form
    364.32/546.16 = 248.99/x
  3. Step 3: Cross multiply
    364.32x = 546.16 × 248.99
  4. Step 4: Simplify right side
    364.32x = 135,985.03
  5. Step 5: Solve for x
    x = 135,985.03/364.32
  6. Step 6: Final answer
    x = 373.26

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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.