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Finding the Fourth Proportional to 364.48, 546.94 and 159.05

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Solution

The fourth proportional to 364.48, 546.94 and 159.05 is: 238.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.48 : 546.94 = 159.05 : x
  2. Step 2: Convert to fraction form
    364.48/546.94 = 159.05/x
  3. Step 3: Cross multiply
    364.48x = 546.94 × 159.05
  4. Step 4: Simplify right side
    364.48x = 86,987.67
  5. Step 5: Solve for x
    x = 86,987.67/364.48
  6. Step 6: Final answer
    x = 238.66

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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.